Question

Solve the system of linear equations by using the substitution method. Descibe the process you used and the final answer. {5x+y=152x+y=12

Answer 1

x=1 y=10

Explanation:

5x+y=15

2x+y=12

y=12-2x

5x+12-2x=15

3x=3

x=1

5+y=15

y=10