Solve for x
x = \frac{101}{2} = 50\frac{1}{2} = 50.5
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105=2x+4
Add 100 and 5 to get 105.
2x+4=105
Swap sides so that all variable terms are on the left hand side.
2x=105-4
Subtract 4 from both sides.
2x=101
Subtract 4 from 105 to get 101.
x=\frac{101}{2}
Divide both sides by 2.
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