Question

Simplifique as Expressões , reduzindo os termos semelhantes :

A) a + 1 + a - 7

B) - 9x + 5m + 7x - 2m

C) 3x + 5x + 0,2x - x + 2x

Answer 1

a) 2a-6 = 0 a = 3
b) -2x +3m = 0
c) 9,2x

Answer 2

a) 2a - 6
a= 6/2= 3

b) -2x +3m

c) 9,2x