It would help if you proofread your questions before you posted them.
I assume the top equation is -4x+3y = 3. Multiply that equation by 3. I assume the second equation is 7x + 9y = 6.
-12x + 9y = 9
7x - 9y = 6
Add the two equations.
-5x = 15
Take it from there.
solve for -4x=3y=3
7x-9y-6
1 answer