Question

1) 3x+4=x-6
2) 2(4x-3)-5=2x+10=6
3) 2(1-4x)-2x=x-5⇒

Answer 1

Olá,

Vamos lá,

1) 3x+4=x-6
3x-x=-6-4
2x=-10
x=-10/2
x=-5

2) 2(4x-3)-5=2x+10=6
8x-6-5=2x+10+6
8x-2x=10+6+6+5
6x=27
x= 27/6


3) 2(1-4x)-2x=x-5
2-8x-2x=x-5
-8x-2x-x=-5-2
-11x=-7  *(-1)
x = 7/11