Question

Solve the system of equations below.





A. (4,-5)
B. (5,-4)
C. (5,4)
D. (-5,4)

Answer 1

@johnweldon1993

Answer 2

Solve 4x+y=16 for y:
4x+y+−4x=16+−4x(Add -4x to both sides)
y=−4x+16
Substitute−4x+16foryin2x+3y=−2:
2x+3y=−2
2x+3(−4x+16)=−2
−10x+48=−2(Simplify both sides of the equation)
−10x+48+−48=−2+−48(Add -48 to both sides)
−10x=−50
Solve for x

Answer 3

B

Answer 4

Correct =)