9(3+c)=4(3+c)

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


Simplifying
9(3 + c) = 4(3 + c)
(3 * 9 + c * 9) = 4(3 + c)
(27 + 9c) = 4(3 + c)
27 + 9c = (3 * 4 + c * 4)
27 + 9c = (12 + 4c)

Solving
27 + 9c = 12 + 4c

Solving for variable 'c'.

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

Add '-4c' to each side of the equation.
27 + 9c + -4c = 12 + 4c + -4c

Combine like terms: 9c + -4c = 5c
27 + 5c = 12 + 4c + -4c

Combine like terms: 4c + -4c = 0
27 + 5c = 12 + 0
27 + 5c = 12

Add '-27' to each side of the equation.
27 + -27 + 5c = 12 + -27

Combine like terms: 27 + -27 = 0
0 + 5c = 12 + -27
5c = 12 + -27

Combine like terms: 12 + -27 = -15
5c = -15

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

Simplifying
c = -3

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