8+4c=9c-7

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Solution for 8+4c=9c-7 equation:


Simplifying
8 + 4c = 9c + -7

Reorder the terms:
8 + 4c = -7 + 9c

Solving
8 + 4c = -7 + 9c

Solving for variable 'c'.

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

Add '-9c' to each side of the equation.
8 + 4c + -9c = -7 + 9c + -9c

Combine like terms: 4c + -9c = -5c
8 + -5c = -7 + 9c + -9c

Combine like terms: 9c + -9c = 0
8 + -5c = -7 + 0
8 + -5c = -7

Add '-8' to each side of the equation.
8 + -8 + -5c = -7 + -8

Combine like terms: 8 + -8 = 0
0 + -5c = -7 + -8
-5c = -7 + -8

Combine like terms: -7 + -8 = -15
-5c = -15

Divide each side by '-5'.
c = 3

Simplifying
c = 3

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