-21c+9=-15c+3

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Solution for -21c+9=-15c+3 equation:


Simplifying
-21c + 9 = -15c + 3

Reorder the terms:
9 + -21c = -15c + 3

Reorder the terms:
9 + -21c = 3 + -15c

Solving
9 + -21c = 3 + -15c

Solving for variable 'c'.

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

Add '15c' to each side of the equation.
9 + -21c + 15c = 3 + -15c + 15c

Combine like terms: -21c + 15c = -6c
9 + -6c = 3 + -15c + 15c

Combine like terms: -15c + 15c = 0
9 + -6c = 3 + 0
9 + -6c = 3

Add '-9' to each side of the equation.
9 + -9 + -6c = 3 + -9

Combine like terms: 9 + -9 = 0
0 + -6c = 3 + -9
-6c = 3 + -9

Combine like terms: 3 + -9 = -6
-6c = -6

Divide each side by '-6'.
c = 1

Simplifying
c = 1

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