1st one times 2
18x + 10y = 68
2nd one times 5
40x - 10y = -10
add them
58x = 58
x = 1
sub that back into the original first ...
I am sure you can finish it.
9x +5y=34
8x-2y=-2
solve by elimination
1 answer
8x-2y=-2
solve by elimination
1 answer