Question

a) 8 x + 2 = 6 x + 10
b) 5X-8 = x + 12
c) 5.(x + 2) = 20
d) 2 x + 23 = 4 x - 19 e) 8. (x-7)= 64
f) 6. (X+3) = 18
g) x + (x + 1) + (x + 2) = 45
h) 7.(2x + 8) = 70​

Answer 1

Respuesta:

a:8x+2=6x+10

8x-6x=10-2

2x=8

x=8:2

x=4

b:5x-8=x-12

5x-x=12+8

4x=20

x=20:4

x=5