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Question

Solve the given equation for x:
x − 7 = 12
x = .

A
19
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B
5
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C
10
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Solution

The correct option is A 19
The given equation can be solved by addition operation.

Adding 7 on both sides of the equation,
x − 7 = 12⇒x − 7 + 7 = 12 + 7⇒x = 19

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