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72-\frac{7225\times 720^{3}}{-820}+22=x
Calculate 85 to the power of 2 and get 7225.
72-\frac{7225\times 373248000}{-820}+22=x
Calculate 720 to the power of 3 and get 373248000.
72-\frac{2696716800000}{-820}+22=x
Multiply 7225 and 373248000 to get 2696716800000.
72-\left(-\frac{134835840000}{41}\right)+22=x
Reduce the fraction \frac{2696716800000}{-820} to lowest terms by extracting and canceling out 20.
72+\frac{134835840000}{41}+22=x
The opposite of -\frac{134835840000}{41} is \frac{134835840000}{41}.
\frac{2952}{41}+\frac{134835840000}{41}+22=x
Convert 72 to fraction \frac{2952}{41}.
\frac{2952+134835840000}{41}+22=x
Since \frac{2952}{41} and \frac{134835840000}{41} have the same denominator, add them by adding their numerators.
\frac{134835842952}{41}+22=x
Add 2952 and 134835840000 to get 134835842952.
\frac{134835842952}{41}+\frac{902}{41}=x
Convert 22 to fraction \frac{902}{41}.
\frac{134835842952+902}{41}=x
Since \frac{134835842952}{41} and \frac{902}{41} have the same denominator, add them by adding their numerators.
\frac{134835843854}{41}=x
Add 134835842952 and 902 to get 134835843854.
x=\frac{134835843854}{41}
Swap sides so that all variable terms are on the left hand side.