Answer:
x=−4 and y=7
Step-by-step explanation:
Rewrite equations
y = x + 11; −3x −5y = −23
Solve y = x + 11 for y
y = x + 11
Substitute x+11 for y in−3x−5y=−23
−3x−5y=−23
−3x−5(x+11)=−23
−8x−55=−23(Simplify both sides of the equation)
−8x−55+55=−23+55(Add 55 to both sides)
−8x=32
−8x
−8
=
32
−8
(Divide both sides by -8)
x=−4
y=x+11
y=−4+11
y=7(Simplify both sides of the equation)
