maths

Question

0

1028

1

what is x - 4(5 - x) ?

my answer is -3x - 20
but the answer in the book says 5x - 20

Guest Feb 13, 2012

Guest · Answer 1 · 2012-02-13T08:03:19

x - 4(5 - x)

x - 4*5 - 4*(-x)

x -20 +4x

5x - 20