Would be really nice if I could get some help on how to do this, not only the answers. Equations and Expressions 1

Calculate if the value given for the variable is the solution or not.

6x-13=5 x=3

⅓(x+4)=20 x=48

4x+5.25=13.25 x=2

Solve

x/7=11

x-5=4

4x=20

x+3=5