13(7c-1)-12=89c+13

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Solution for 13(7c-1)-12=89c+13 equation:


Simplifying
13(7c + -1) + -12 = 89c + 13

Reorder the terms:
13(-1 + 7c) + -12 = 89c + 13
(-1 * 13 + 7c * 13) + -12 = 89c + 13
(-13 + 91c) + -12 = 89c + 13

Reorder the terms:
-13 + -12 + 91c = 89c + 13

Combine like terms: -13 + -12 = -25
-25 + 91c = 89c + 13

Reorder the terms:
-25 + 91c = 13 + 89c

Solving
-25 + 91c = 13 + 89c

Solving for variable 'c'.

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

Add '-89c' to each side of the equation.
-25 + 91c + -89c = 13 + 89c + -89c

Combine like terms: 91c + -89c = 2c
-25 + 2c = 13 + 89c + -89c

Combine like terms: 89c + -89c = 0
-25 + 2c = 13 + 0
-25 + 2c = 13

Add '25' to each side of the equation.
-25 + 25 + 2c = 13 + 25

Combine like terms: -25 + 25 = 0
0 + 2c = 13 + 25
2c = 13 + 25

Combine like terms: 13 + 25 = 38
2c = 38

Divide each side by '2'.
c = 19

Simplifying
c = 19

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