8c+7=3c-20

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Solution for 8c+7=3c-20 equation:


Simplifying
8c + 7 = 3c + -20

Reorder the terms:
7 + 8c = 3c + -20

Reorder the terms:
7 + 8c = -20 + 3c

Solving
7 + 8c = -20 + 3c

Solving for variable 'c'.

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

Add '-3c' to each side of the equation.
7 + 8c + -3c = -20 + 3c + -3c

Combine like terms: 8c + -3c = 5c
7 + 5c = -20 + 3c + -3c

Combine like terms: 3c + -3c = 0
7 + 5c = -20 + 0
7 + 5c = -20

Add '-7' to each side of the equation.
7 + -7 + 5c = -20 + -7

Combine like terms: 7 + -7 = 0
0 + 5c = -20 + -7
5c = -20 + -7

Combine like terms: -20 + -7 = -27
5c = -27

Divide each side by '5'.
c = -5.4

Simplifying
c = -5.4

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