-8x+y=15 2x-2y=-2 solve by substitution
solve by substitution need to know how to set up thank you
2 Answers By Expert Tutors
-8X + Y = 15
2X - 2Y = -2
Solve X from 2nd equation:
X = 2Y +2 = Y+1
I have solved 3 . I think you should follow the same procedure , and finish yourself to learn
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