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8 = 10x/(10 + x)
Multiply both sides by (10 + x) to give: 8*(10+x) = 10x
Simplify: 80 + 8x = 10x
Subtract 8x from both sides: 80 = 2x
Divide both sides by 2: 40 = x
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You find x. Oh! There it is!! ^ See?
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You find x. Oh! There it is!! ^ See?
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