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How can I solve this equation a factor. y = 3/5x - 3 2x - y = -4
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a factor??
y=2x+4 2x+4=3/5x -3 7/5x=-7 x=-5
the answer is -5, -6. I just can't figure out how they got that.
I just showed it.
y=2x+4
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2x+4=3/5x -3
substituion!!!
7/5x= -7
x=-5
Ok how did you get that. 2x+4=3/5x-3. How did you get 7/5= -7
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It's a secret.
5y=3/5x-3 If I multiply both side by 5 I get 5y = 5(3/5)x - 5(3) 5y = 3x - 15
x=-17/25 y=66/25
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