Question

solve the following systems of equations
y=x-3
4x+y=32

Answer 1

simply substitute y=x-3 into the second equation

Answer 2

5x-3 = 32 --> 5x = 35 --> x=7

Answer 3

x=7 :P

Answer 4

4x+x-3=32
5x-3=32
add 3 on each side which gives u.... 5x=35 then divide by 5 on each side...which gives the answer i gave u be4... x=7 :p