Question

10x-20=40+50 19+2x-13=10-20

Answer 1

A) 10x-20=40+50

10x= 40+50+30

10x= 120

X= 120/10

X= 12

B) 19+2x-13=10-20

2x= 10+20+13-29

2x= 14

X= 14/2

X= 7

Espero ter ajudado :)