20-(3c-7)=

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Solution for 20-(3c-7)= equation:


Simplifying
20 + -1(3c + -7) = 0

Reorder the terms:
20 + -1(-7 + 3c) = 0
20 + (-7 * -1 + 3c * -1) = 0
20 + (7 + -3c) = 0

Combine like terms: 20 + 7 = 27
27 + -3c = 0

Solving
27 + -3c = 0

Solving for variable 'c'.

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

Add '-27' to each side of the equation.
27 + -27 + -3c = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -3c = 0 + -27
-3c = 0 + -27

Combine like terms: 0 + -27 = -27
-3c = -27

Divide each side by '-3'.
c = 9

Simplifying
c = 9

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