You can put this solution on YOUR website! 1st: -7x + 5y = -20
2nd: -3x - 2y = 8
To eliminate the y-terms do as follows:
Multiply 1st thru by 2 to get:
Multiply 2nd thru by 5 to get:
Add these two equations to get:
Substitute that value into original 1st or 2nd to solve for "y".