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What is 10x-10y=0 -20x-5y=-25
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What is 10x-10y=0 -20x-5y=-25

User Shamicka
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2 Answers

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Solve for the first variable in one of the equation, then substitute the results into the other equation (1,1)
User Adeyemi
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-10x-15-(-25)

-5(2x+3-5)

-5(2x-2)

-5*2 (x-1)

= -10(x-1)

User Justin Lambert
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8.2k points
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