9x+5y=-6 ...(1)
4x+3y=2 ...(2)
Multiply (1) by 4 and (2) by 9 in order to eliminate x:
36x+20y=-24 ...(1a)
36x+27y=18 ...(2a)
Subtract (1a) from (2a)
0x+7y=42
or
y=6
Can you take it from here?
use either substitution or elimination to solve
9x+5y=-6
4x+3y=2
1 answer
1 answer