Respuesta :
Answer:
x= -3
y= 2
Step-by-step explanation:
Set new equation:
y=8+2x
Now input -3x-y=7 for y
-3x - (8x+2x)=7
Simplify
-5x-8=7
Solve by substituion
y=8+2x
-5x-8=7
y=8+2x
x=-3
Now plug in for x in y=8+2x
y=8+2(-3)
y=2
Answer:
x=-3
y=2
Answer:
x= -3
y= 2
Step-by-step explanation:
Set new equation:
y=8+2x
Now input -3x-y=7 for y
-3x - (8x+2x)=7
Simplify
-5x-8=7
Solve by substituion
y=8+2x
-5x-8=7
y=8+2x
x=-3
Now plug in for x in y=8+2x
y=8+2(-3)
y=2
Answer:
x=-3
y=2