Question

Me ajudem porfavor!

a) 2x+3=3

b)4x+3x=4+x

c)8x+1=3x+1

Answer 1

2x=3-3
2x=0
x=o:2

4x+3x-x=4
6x=4
x=4:6
8x-3x=1-1
5x=0
x=0:5