Question

Simplifique as expressões :
a) 3(x -7) + 4x
b) -3(2x + 5 )+13x
c) -(2x-1) +4(x+8)
d) -5 ( -3x - 4 ) — 2 (x + 5)

Answer 1

Resposta:

a) 7x - 21

b) 7x - 15

c) 2x +33

d) 13x + 10

Explicação passo-a-passo:

a) 3x - 21 + 4x

7x - 21

b) -6x - 15 + 13x

7x - 15

c) 2x + 1 + 4x + 32

2x + 33

d) 15x + 20 - 2x - 10

13x + 10