Respuesta :
Answer:
w = 9
Step-by-step explanation:
Expand the brackets: 2w + 6 = -2w + 42
then simplify: 2w + 2w = 42 - 6
4w = 36
w = 36/4
w = 9
Answer:
Today: Friday, 06 November 2020
Hour: 19.19 WIB (Indonesia)
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2(w + 3) = -2(w - 21)
2w + 6 = -2w + 42
2w + 2w = -6 + 42
4w = 36
w = 36/4
w = 9