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Solve for x: 12x-9=7x+31
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4 votes
Solve for x:
12x-9=7x+31

User Zebapy
by
7.0k points

1 Answer

4 votes

Answer:

X=8

Explanation:

1. Subtract 7x from 12x to get 5x.

2. Change the operation of the -9 to adding then add 9 to 31 to get 40.

3. Now that you have 5x=40 and divide the 5x by the 40 to get 8.

User Hhaamu
by
7.4k points
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