Question

determinaro valor de x nos casos a b c

Answer 1

A) x+100=160 -3x
4x= 60
x= 15

B) 2x - 10 = 40
2x =50
x = 50/2
x = 25

C )2x-10 =x +20
2x -x = 10+ 20
x = 30

Answer 2

A) x+100=160 -3x
4x= 60
x=15

B)2x - 10 = 40
2x =50
x =50/2
x=25

C)2x - 10 =x +20
2x -x = 10+20
x=30