3(3c-1)-4=7c+9

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Solution for 3(3c-1)-4=7c+9 equation:


Simplifying
3(3c + -1) + -4 = 7c + 9

Reorder the terms:
3(-1 + 3c) + -4 = 7c + 9
(-1 * 3 + 3c * 3) + -4 = 7c + 9
(-3 + 9c) + -4 = 7c + 9

Reorder the terms:
-3 + -4 + 9c = 7c + 9

Combine like terms: -3 + -4 = -7
-7 + 9c = 7c + 9

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

Solving
-7 + 9c = 9 + 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.
-7 + 9c + -7c = 9 + 7c + -7c

Combine like terms: 9c + -7c = 2c
-7 + 2c = 9 + 7c + -7c

Combine like terms: 7c + -7c = 0
-7 + 2c = 9 + 0
-7 + 2c = 9

Add '7' to each side of the equation.
-7 + 7 + 2c = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 2c = 9 + 7
2c = 9 + 7

Combine like terms: 9 + 7 = 16
2c = 16

Divide each side by '2'.
c = 8

Simplifying
c = 8

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