21c-29=-17+20c

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Solution for 21c-29=-17+20c equation:


Simplifying
21c + -29 = -17 + 20c

Reorder the terms:
-29 + 21c = -17 + 20c

Solving
-29 + 21c = -17 + 20c

Solving for variable 'c'.

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

Add '-20c' to each side of the equation.
-29 + 21c + -20c = -17 + 20c + -20c

Combine like terms: 21c + -20c = 1c
-29 + 1c = -17 + 20c + -20c

Combine like terms: 20c + -20c = 0
-29 + 1c = -17 + 0
-29 + 1c = -17

Add '29' to each side of the equation.
-29 + 29 + 1c = -17 + 29

Combine like terms: -29 + 29 = 0
0 + 1c = -17 + 29
1c = -17 + 29

Combine like terms: -17 + 29 = 12
1c = 12

Divide each side by '1'.
c = 12

Simplifying
c = 12

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