43.0k views
16 votes
Solve the system by substitution​

User JohnUS
by
3.1k points

1 Answer

7 votes
1) Solve one of the equations for either variable.

2) Substitute the expression from Step 1 into the other equation.

3) Solve the resulting equation.

4) Substitute the solution in Step 3 into one of the original equations to find the other variable.

5) Write the solution as an ordered pair.
User Dmitri Safine
by
3.2k points