Question

Resolva as esquaçoes
A) X + 2x - 40 = 110
B) 2x + 12 = 3 - x
C) 2x + 50 = 170

Answer 1

A ) x+2x-40=110
x+2x=110+40
3x=150
x=150/3
x=50

B) 2x+12=3-x
2x+x= 3-12
3x= 9
x= 9/3
x= 3

C) 2x+50=170
2x=170 -50
2x= 120
x=120/2
x= 60

espero ter ajudado!

Answer 2

A)X+2x=110+40
3x=150
x=150
3
x=50
B)2x+x=3-12
3x=-8
x=-8
3
C)2x=170-50
2x=120
x=120
2
x=60