2 years ago

Justify each steps for X/3-7=11

1 answer:

wel2 years ago

6 0

$\dfrac{x}{3}-7=11\ \ \ \ |add\ 7\ to\ both\ sides\\\\\dfrac{x}{3}=18\ \ \ \ \ |multiply\ both\ sides\ by\ 3\\\\\boxed{x=54}$

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