Question

Aaaa ayuda w-2[w+5(1-2w+5(1-2w)+4w]-(w+3)=-w+3(w+2)+7w

Answer 1

w – 2[w +5-10w + 4w] – (w+3) = -w + 3w +6 + 7w

w -2w -10 +20w -8w -w -3 = -w +3w +6+7w

w -2w +20w -8w -w +w -3w -7w = 6 +10 +3

1w = 19

w = 19/1 = 19 Solución.