10*(c-81)=100

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Solution for 10*(c-81)=100 equation: 


Simplifying
10(c + -81) = 100

Reorder the terms:
10(-81 + c) = 100
(-81 * 10 + c * 10) = 100
(-810 + 10c) = 100

Solving
-810 + 10c = 100

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '810' to each side of the equation.
-810 + 810 + 10c = 100 + 810

Combine like terms: -810 + 810 = 0
0 + 10c = 100 + 810
10c = 100 + 810

Combine like terms: 100 + 810 = 910
10c = 910

Divide each side by '10'.
c = 91

Simplifying
c = 91

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