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More Math. Please help. *10 points* =)?
Solving Equations in General:
1: 6x - 4x + 2 = 10
2: 4 + 10x = 18 + 17x
3: 6x + 3 = 8x - 17 - 4
4: 40 + 1.5h = 3.5h
5: 6x - 2 = x + 13
6: 5y - 3 = 2y + 12
7: 4k - 3 = 3k + 6 - 2
8: 5m + 3 = 3m + 9
9: 8 - x = 2x - 1
10: 2n - 5 = 8n + 10 - 3
11: 3a + 4 = a + 18
12: 6b + 14 = -7 - 5b + 4b
13: 5a - 14 = -5 + 8a
14: 3 + 4x = 3x + 6
15: 30 - 7z = 10z - 10 + 6
16: 8x - 3 = 7x + 2
17: -36 + 2w = -8w + w
18: 4p - 10 = p + 3p - 2p
19: 12x + 4 = 13x - 5
20: 11x + 33 = 15x + 5
6 Answers
- Matics101Lv 61 decade agoFavorite Answer
You just need to combine like terms (x's with x's and lone numbers with lone numbers) and solve for x. I'll show you a couple...20 though!?! :-D This stuff is easy...is your teacher any good?
1.) 6x - 4x + 2 = 10...subtract 4x from 6x and then subtract 2 from both sides
6x - 4x + 2 = 10
2x + 2 - 2 = 10 - 2
2x = 8...(divide by 2 on both sides)
x = 4
2.) 4 + 10x = 18 + 17x subtract 10x from both sides and 18 from both sides (you could also subtract 17 and 4, your choice, same answer).
4 + 10x - 10x - 18 = 18 - 18 + 17x - 10x
-14 = 7x...divide both sides by 7
-2 = x
That should give you a gist for it. Good luck, hope this helped
- 1 decade ago
1: 6x - 4x + 2 = 10
2x + 2 = 10
2x = 8
x = 4
2: 4 + 10x = 18 + 17x
4 = 18 + 7x
-14 = 7x
-2 = x
3: 6x + 3 = 8x - 17 - 4
4: 40 + 1.5h = 3.5h
40 = 3.5h - 1.5h
40 = 2h
20 = h
5: 6x - 2 = x + 13
6x = x + 15
5x = 15
x = 3
6: 5y - 3 = 2y + 12
5y = 2y + 15
3y = 15
y = 5
7: 4k - 3 = 3k + 6 - 2
4k = 3k + 7
1k = 7
k = 7
8: 5m + 3 = 3m + 9
5m = 3m + 6
2m = 6
m = 3
9: 8 - x = 2x - 1
8 = 3x - 1
9 = 3x
3 = x
10: 2n - 5 = 8n + 10 - 3
2n = 8n + 12
-6n = 12
n = -2
11: 3a + 4 = a + 18
3a = a + 14
2a = 14
a = 7
12: 6b + 14 = -7 - 5b + 4b
13: 5a - 14 = -5 + 8a
14: 3 + 4x = 3x + 6
15: 30 - 7z = 10z - 10 + 6
16: 8x - 3 = 7x + 2
17: -36 + 2w = -8w + w
18: 4p - 10 = p + 3p - 2p
19: 12x + 4 = 13x - 5
20: 11x + 33 = 15x + 5
Yeah, you get the gist of it.
This is like 6th grade math.
You're ridiculous.
Get a tutor!
- 1 decade ago
While I can't solve your homework for you, I can show you an example.
6x - 4x + 2 = 10
Now, you want to get all the x's on one side and the non-x's on the other side. So what do you do?
6x-4x+2=10
-2 -2
6x-4x=8
What values do you see in common?
6x and 4x are the same. So, 6x-4x=8
2x=8
Divide 8 by 2
x=4!
- ?Lv 44 years ago
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- lotusLv 41 decade ago
20 problems and you will give only 10 points. So, I can't waste time in only one question. I will show you one and I will try to answer rest.
1.6x -4x+2=10 ==> 2x+2=10 ==> 2x=8 ==> x = 4
2.x = -2
3. 12
4. 20
5. 3
6. 5
7. 7
8. 3
9. 3
10. -2 .............. 20. x = 7
- RICHARDLv 51 decade ago
Man i keep comming in to late.
That suck
But you ahve 3 good answers already sorry
GOOD LUCK
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