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3241004551 [841]

3 years ago

9

Solving proportions

1 answer:

Genrish500 [490]3 years ago

4 0

Answer:

$2x - 12 = 9x - 63 \\ \\ 63 - 12 = 9x - 2x \\ 51 = 7x \\ x = 7.2$

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