4(4-2c)+3(c+9)=12

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Solution for 4(4-2c)+3(c+9)=12 equation: 


Simplifying
4(4 + -2c) + 3(c + 9) = 12
(4 * 4 + -2c * 4) + 3(c + 9) = 12
(16 + -8c) + 3(c + 9) = 12

Reorder the terms:
16 + -8c + 3(9 + c) = 12
16 + -8c + (9 * 3 + c * 3) = 12
16 + -8c + (27 + 3c) = 12

Reorder the terms:
16 + 27 + -8c + 3c = 12

Combine like terms: 16 + 27 = 43
43 + -8c + 3c = 12

Combine like terms: -8c + 3c = -5c
43 + -5c = 12

Solving
43 + -5c = 12

Solving for variable 'c'.

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

Add '-43' to each side of the equation.
43 + -43 + -5c = 12 + -43

Combine like terms: 43 + -43 = 0
0 + -5c = 12 + -43
-5c = 12 + -43

Combine like terms: 12 + -43 = -31
-5c = -31

Divide each side by '-5'.
c = 6.2

Simplifying
c = 6.2

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