Question

a) 7x +3 – 3x =4x + 3 – 2x b) 3(x + 1) + 4(2x – 1) = 5(5x + 5) -2(x – 3)

Answer 1

Respuesta:

A) 7x +3 – 3x =4x + 3 – 2x

7x-3x-4x+2x=3-3

2x=0

X=0

b) 3(x + 1) + 4(2x – 1) = 5(5x + 5) -2(x – 3)

3x+3+8x-4=25x+25-2x+6

3-4-25-6=25x-2x-3x-8x

-33=12x

-33/12=x