8(c+9)=7c-1

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Solution for 8(c+9)=7c-1 equation:


Simplifying
8(c + 9) = 7c + -1

Reorder the terms:
8(9 + c) = 7c + -1
(9 * 8 + c * 8) = 7c + -1
(72 + 8c) = 7c + -1

Reorder the terms:
72 + 8c = -1 + 7c

Solving
72 + 8c = -1 + 7c

Solving for variable 'c'.

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

Add '-7c' to each side of the equation.
72 + 8c + -7c = -1 + 7c + -7c

Combine like terms: 8c + -7c = 1c
72 + 1c = -1 + 7c + -7c

Combine like terms: 7c + -7c = 0
72 + 1c = -1 + 0
72 + 1c = -1

Add '-72' to each side of the equation.
72 + -72 + 1c = -1 + -72

Combine like terms: 72 + -72 = 0
0 + 1c = -1 + -72
1c = -1 + -72

Combine like terms: -1 + -72 = -73
1c = -73

Divide each side by '1'.
c = -73

Simplifying
c = -73

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