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Can someone help me with this Algebra problem?
5 = 1.5(x)/100-x
1 Answer
- 1 decade ago
just do some cross-multiplying. so the problem is 5 / 1 = 1.5x / 100 - x
so you would then cross-multiply to get 5 ( 100 - x ) = 1.5x .
distribute the 5 to the 100 and to the negative x to get
500 - 5x = 1.5x
add 5x to each side, so that you have
500 = 6.5x
divide by 6.5 on each side to get x on its own,
500 / 6.5 = x
so x = approximately 76. 923 , or about 76.9 , or about 77