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4 Answers
- 8 years ago
10 x means 10 multiplied by x
as x = 0.9 multiplying 10 by the value of x (0.9) we get
10 x = 10 *0.9 = 9
similarly with y
6y = 6* 2.5 = 15
Hence your answer is = -6
As 9 - 15 = -6
- 8 years ago
Multiply/divide before addition/subtraction.
Multiply 10 by 0.9 to get 9, then multiply 6 by 2.5 to get 15, and finally subtract 15 from 9 to get -6.
- 8 years ago
Just plug the given values of x and y into the equation and multiply and subtract.
10(.9)-6(2.5)
=9-15
=-6
