Solve for x
x = \frac{79}{2} = 39\frac{1}{2} = 39.5
Assign x
x≔\frac{79}{2}
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x=\frac{10\times 10-21}{2}
Calculate the square root of 100 and get 10.
x=\frac{100-21}{2}
Multiply 10 and 10 to get 100.
x=\frac{79}{2}
Subtract 21 from 100 to get 79.
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