Question

x+5=15
x+1=10x+10
x-8=30
4x=36

Answer 1

Respuesta:

x+5= 15

x= 15-5

x= 10

x+1=10x+10

x-10x = 10 -1

-9x = 9

x= -1

x-8=30

x= 30 + 8

x= 38

4x= 36

36÷ 4

x= 9