3a+Solving+systems+by+substitution+and+elimination

[|Step by step guide on how to use substitution and elimination]

Example with Substitution:

Equation 1: x=5 Equation 2: y=x+2

y=(5)+2 y=7

(5,7)

Example with Elimination:

Equation 1: 4x+y=8 Equation 2: 2x-y=4

4x+y=8 2x-y=4 ___________ 6x=12

x=2

4(2)+y =8 8+y=8 y=0

(2,0)