Question

RESOLVA EM Z:

A) 3X = -45 - 2X


B) 6 ( X + 3 ) - 2 ( X - 5 ) = 20

C) -18 = 2M + 15

D) 2 ( M - 1 ) -1 = 8

Answer 1

Resposta:

a) 3x=-45-2x

3x+2x=-45

5x=-45

x=-45/5

x=-9