Solve for x
x=15
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11=15x-4-14x
Add -2 and 13 to get 11.
11=x-4
Combine 15x and -14x to get x.
x-4=11
Swap sides so that all variable terms are on the left hand side.
x=11+4
Add 4 to both sides.
x=15
Add 11 and 4 to get 15.
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Limits
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