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5x 13 7x 10 99

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5x+13+7x-10=99

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Answer to a math question 5x+13+7x-10=99

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99 Answers

$12x+13-10=99$

$12x+3=99$

$12x=99-3$

$12x=96$

$x=8$

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x(squared) -8x=0