20+7=c

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Solution for 20+7=c equation:


Simplifying
20 + 7 = c

Combine like terms: 20 + 7 = 27
27 = c

Solving
27 = c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
27 + -1c = c + -1c

Combine like terms: c + -1c = 0
27 + -1c = 0

Add '-27' to each side of the equation.
27 + -27 + -1c = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -1c = 0 + -27
-1c = 0 + -27

Combine like terms: 0 + -27 = -27
-1c = -27

Divide each side by '-1'.
c = 27

Simplifying
c = 27

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