Question

calcule o valor de x: a)2x=32 b)2x - 4=20 c) 6x + 10= 2x- 30 d) 100= -5x
gente me ajudaaaaa​

Answer 1

Explicação passo-a-passo:

a) 2x = 32

x = 32/2

x = 16

b) 2x - 4 = 20

2x = 20 + 4

2x = 24

x = 24/2

x = 12

c) 6x + 10 = 2x - 30

6x - 2x = -30 - 10

4x = -40

x = -40/4

x = -10

d) 100 = -5x

5x = -100

x = -100/5

x = -20