Question

9) Calcule
a) (x - 4x + 5) + (x + 6x-10)
b) (4x - 4x + 15) + ( + 10x - 100)
c) (y - 4x + 3) + (y + 6x-7)
d) (ab - 4a + 5) + (ab +6b-8)
e) ( a -4b+5) + (6 +6b-4)​

Answer 1

Explicação passo-a-passo:

A) x - 4x + 5 +x +6x-10

+4x - 5

B) 4x - 4x +15 +10x - 100

+10x - 100

C) y - 4x +3 +y+ 6x - 7

2x +2y - 4

D) ab - 4a +5 +ab +6b -8

-4a +6b 2ab - 12

C) a - 4b +5 +6 +6b - 4

a +2b +7