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Question

Find the simplest form of the equation 30x+10=40.

A
3x+1=4.
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B
x=1.
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C
x=3.
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D
13×x=3.
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Solution

The correct option is C x=3.
Consider equation 30x+10=40.
Divide the equation by 10, we get, 3x+1=4.
Subtract 1 from both sides, we get, 3x=3.
Divide 3 on both sides, we get, x=3.

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