Question

Solve the system using the substitution method 3x-y=4 5x+3y=9

Answer 1

Answer: x=2/3

y=-7

Explanation:

3x-y=45x+3y

45x+3y=9

rearrange the terms

3x-y-45x-3y=0

45x+3y=9

combine like terms

-42x-4y=0

45x+3y=9

multiply both sides

and then ya you simplyify