Question

Solve the system of equations.
​
​−5x+4y=3
​x=2y−15

Answer 1

x=9, y=12

Explanation:

put x=2y-15 into the first equation,

-5(2y-15)+4y=3

-10y+75+4y=3

-6y=-72

y=12

x=2y-15=2x12-15=9