Question

alguém consegue resolver
A) 5(3× - 2) = 2(6× +4)
B) 3(× + 2) +5 = × + 13​

Answer 1

Resposta:

A)

5.(3x-2) = 2.(6x+4)

15x - 10 = 12x + 8

15x - 12x = 8 + 10

3x = 18/3

(X=6)

B)

3.(x+2) + 5= x+13

3x+6+5= x+13

3x-x = 13-6-5

2x= 7-5

2x=2

X= 2/2 (X= 1)