Question

I NEED THIS FAST PLEASE HELP WILL GIVE BRANILIOSST

Answer 1

a true for all

3x=x+8

-8=x-3x

-8=-2x

4=x

b true for some (eg. -1=x, 1=x)

5x= x+x+x+x+x

5x=5x

0=5x-5x

0=0

c true for none

2(x+5)=2x+5

2x+10=2x+5

10-5= 2x-2x

5=0