Question

a) 4-3 (1-x)+12 = 2 (3-2x)


b) 7x-2 (4x-3) = 8-3 (x-6)​

Answer 1

Respuesta:

a)

4-3(1-x)+12=2(3-2x)

4-3+3x+12=6-4x

1+3x+12=6-4x

3x+13=6-4x

3x+4x=6-13

7x= -7

x=-7/7

x=-1

b)

7x-2(4x-3)=8-3(x-6)

7x-8x+6=8-3x+18

-1x+6=26-3x

-1x+3x=26-6

2x=20

x=20/2

x=10