Question

equaçoes do 1 grau -x+4(2-x)=-2x-(10+3x)

Answer 1

-x + 8 - 4x = -2x - 10 - 3x

-x - 4x + 2X + 3X = - 10 - 8

- 3X + 5X = - 18

2X = - 18

X = -18/2

X = - 2         ok