Solve for x
x=6
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16=4+2x
Calculate 4 to the power of 2 and get 16.
4+2x=16
Swap sides so that all variable terms are on the left hand side.
2x=16-4
Subtract 4 from both sides.
2x=12
Subtract 4 from 16 to get 12.
x=\frac{12}{2}
Divide both sides by 2.
x=6
Divide 12 by 2 to get 6.
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Limits
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