Question

A) 2x-8=3x-10
B) 2n+5=155
C) 8x-3=5
D) 18x-43=65​

Answer 1

Resposta:

a)-8

b)75

c)1

d)6

Explicação passo-a-passo:

a)2x-18=3x-10

2x-3x=-10+18

-1x=8

x=8/-1

x=-8

b)2n+5=155

2n=155-5

2n=150

n=150/2

n=75

c)8x-3=5

8x=5+3

8x=8

x=8/8

x=1

d)18x-43=65

18x=65+43

18x=108

x=108/18

x=6