12x+21=3(4c+6)

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Solution for 12x+21=3(4c+6) equation:


Simplifying
12x + 21 = 3(4c + 6)

Reorder the terms:
21 + 12x = 3(4c + 6)

Reorder the terms:
21 + 12x = 3(6 + 4c)
21 + 12x = (6 * 3 + 4c * 3)
21 + 12x = (18 + 12c)

Solving
21 + 12x = 18 + 12c

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 12x = 18 + -21 + 12c

Combine like terms: 21 + -21 = 0
0 + 12x = 18 + -21 + 12c
12x = 18 + -21 + 12c

Combine like terms: 18 + -21 = -3
12x = -3 + 12c

Divide each side by '12'.
x = -0.25 + c

Simplifying
x = -0.25 + c

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