2 Answers

Tanky Woo · Answer 1 · 2021-07-13T20:54:48+0000

Answer:

She should have added 3, not subtracted, to both sides

Explanation:

You're trying to get X by itself and to do that you need to add 3 to cancel out the -3.

Makboney · Answer 2 · 2021-07-20T03:56:04+0000

Answer:

She should have added 3, not subtracted 3, to both sides

Explanation:

this problem calls for the inverse of operations

$x-3=7\\\\\\3+x-3=7+3\\\\x=10$

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