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

oi gata tudo bom ....

Answer 2

a)6x=42 ->x=42/6 -> x=7
b)4x+6=2x+18 ->4x-2x= 18-6 ->2x= 12->x=12/2 ->x=6
c)23x-16=10-17x->23x+17x=10+16->40x=26->x=26/40 -> x=0,65
d)2x+5=3x-20->2x-3x=-20-5->-x=-25 (-1) -> x=25