SOLUTION: Y=5x-1 2x-y=7
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Question 987050: Y=5x-1 2x-y=7
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
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y=5x-1
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2x-y=7 Use above equation to substitute for y.
2x-(5x-1)=7
2x-5x+1=7
-3x=6
x=-2
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y=5x-1
y=5(-2)-1
y=-10-1
y=-11
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ANSWER: (-2,-11)
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CHECK:
2x-y=7
2(-2)-(-11)=7
-4+11=7
7=7
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