Question

help me please
find the solution of this system of equations.
-5x=-21+6y
-5x+1y=-84

Answer 1

Set the two equations into 'x+y=c' form and use elimination on your 'x', solve for 'y'. Then substitute your 'y' value and solve for 'x'.

Answer 2

for y i got y=-9

Answer 3

Good job. Now pick one of those equations and plug (-9) in for 'y' and solve for 'x'.

Answer 4

*hint: Choose the one with no leading coefficient on the 'y'.

Answer 5

x=15

Answer 6

A+. Nice work.