Answer:
b
Step-by-step explanation:
Solve first equation for y:
5x+y=10
y=10-5x. Plug this equation into second equation
-x-(10-5x)=-2
-x-10+5x=-2
4x=8
x=2 (plug x into first equation)
5(2)+y=10
y=0
Answer: [D]: y = -3x + 2 .
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Answer: The slope is 0
Step-by-step explanation: The coordinates dont change from y=-5 to y=-5
