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2x+y =8 and y=x-7 solve by substitution
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2x+y =8 and y=x-7 solve by substitution

User AMike
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Answer:

you can do this by this please vote also

2x+y =8 and y=x-7 solve by substitution-example-1
User Midhat
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WILL UPVOTE EVERY ANSWER! MULTIPLE CHOICE! Solve for Y. 8-8y=2y+78 A)y=7 B)y=70 C)y=-7 D)y=-70
Can someone help ?? I wasn't here for the lesson
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