Answer :
8x+8y=240
First, make the coefficient of y to be 1.
x+y=30
Then, subtract x on both sides.
y=30-x
Rearrange it if you want.
y=-x+30
8x+8y=240
First, make the coefficient of y to be 1.
x+y=30
Then, subtract x on both sides.
y=30-x
Rearrange it if you want.
y=-x+30