# Solve by Substitution x+y=3 y=8

Replace all occurrences of with in each equation.
Replace all occurrences of in with .
Remove parentheses.
Move all terms not containing to the right side of the equation.
Subtract from both sides of the equation.
Subtract from .
The solution to the system is the complete set of ordered pairs that are valid solutions.
The result can be shown in multiple forms.
Point Form:
Equation Form:
Solve by Substitution x+y=3 y=8

Scroll to top