Question

Use properties of equality to solve the equation for w. You must show your work. 2(w+3) = −2(w−21) *

Answer 1

Today: Friday, 06 November 2020

Hour: 19.19 WIB (Indonesia)

_______________________________

2(w + 3) = -2(w - 21)

2w + 6 = -2w + 42

2w + 2w = -6 + 42

4w = 36

w = 36/4

w = 9

Answer 2

w = 9

Explanation:

Expand the brackets: 2w + 6 = -2w + 42

then simplify: 2w + 2w = 42 - 6

4w = 36

w = 36/4

w = 9