Question

2- determine o valor de X

A) 6x=42

B) 4x+6=2x+18

C) 23x-16=10-17x

D) 2x+5=3x-20

Answer 1

a)
X= 46/6 x = 7


só fiz essa

Answer 2

a) x=42÷6=7

b) 4x-2x=18-6
2x=12
x=12÷2=6

c) 23x-17x= 10+16
6x= 26
x= 26÷6= 4

d)5+20= 3x-2x
25=x