9(7c-1)-4=61c+9

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Solution for 9(7c-1)-4=61c+9 equation:


Simplifying
9(7c + -1) + -4 = 61c + 9

Reorder the terms:
9(-1 + 7c) + -4 = 61c + 9
(-1 * 9 + 7c * 9) + -4 = 61c + 9
(-9 + 63c) + -4 = 61c + 9

Reorder the terms:
-9 + -4 + 63c = 61c + 9

Combine like terms: -9 + -4 = -13
-13 + 63c = 61c + 9

Reorder the terms:
-13 + 63c = 9 + 61c

Solving
-13 + 63c = 9 + 61c

Solving for variable 'c'.

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

Add '-61c' to each side of the equation.
-13 + 63c + -61c = 9 + 61c + -61c

Combine like terms: 63c + -61c = 2c
-13 + 2c = 9 + 61c + -61c

Combine like terms: 61c + -61c = 0
-13 + 2c = 9 + 0
-13 + 2c = 9

Add '13' to each side of the equation.
-13 + 13 + 2c = 9 + 13

Combine like terms: -13 + 13 = 0
0 + 2c = 9 + 13
2c = 9 + 13

Combine like terms: 9 + 13 = 22
2c = 22

Divide each side by '2'.
c = 11

Simplifying
c = 11

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