c+4-6c=-21

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Solution for c+4-6c=-21 equation:


Simplifying
c + 4 + -6c = -21

Reorder the terms:
4 + c + -6c = -21

Combine like terms: c + -6c = -5c
4 + -5c = -21

Solving
4 + -5c = -21

Solving for variable 'c'.

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

Add '-4' to each side of the equation.
4 + -4 + -5c = -21 + -4

Combine like terms: 4 + -4 = 0
0 + -5c = -21 + -4
-5c = -21 + -4

Combine like terms: -21 + -4 = -25
-5c = -25

Divide each side by '-5'.
c = 5

Simplifying
c = 5

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