Asked by algebra yuck

solve by the substitution method

9x + 5y = -25
x = 7 - 3y

Could someone help with steps here also?
Answered by bobpursley
9(7-3y)+5y=-25
63-27y+5y=-25
can you take if from here?
Answered by algebra yuck
I get -5 I am missing a step please help and thank you