Question

- qual o valor de x?

Answer 1

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

8x/3+4=13
8x/3+3.4/3=3.13/3
8x+12=36
8x=36-12
8x=24
x=24/8
x=3

Answer 2

3x+4=2x+8
3x-2x=8-4
1x=4
x=4/1
x=4