Question

determine a raiz de cada equação:

a) -15-11x = -9-3x

b) 3 - 2x = 17 - 4

Answer 1

a)

-15-11x=-9-3x

-15+9=+11x-3x

-6=8x

x=-6/8

b)

3-2x=17-4

-2x=17-4-3

-2x=10.(-1)

2x=-10

x=-10/2=-5