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Whitepunk [10]
3 years ago
10

3x -9 =7x + 12Find X

Mathematics
1 answer:
Lorico [155]3 years ago
5 0
Simple....

you have:

3x-9=7x+12

To even solve this....isolate the variable your are trying to solve for....

3x-9=7x+12
-3x    -3x

-9=4x+12

-9=4x+12
-12     -12

-21=4x

Simplify.....

\frac{-21}{4} = \frac{4x}{4}

\frac{-21}{4} =x

Thus, your answer.

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