7(7c-12)=-21

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Solution for 7(7c-12)=-21 equation:


Simplifying
7(7c + -12) = -21

Reorder the terms:
7(-12 + 7c) = -21
(-12 * 7 + 7c * 7) = -21
(-84 + 49c) = -21

Solving
-84 + 49c = -21

Solving for variable 'c'.

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

Add '84' to each side of the equation.
-84 + 84 + 49c = -21 + 84

Combine like terms: -84 + 84 = 0
0 + 49c = -21 + 84
49c = -21 + 84

Combine like terms: -21 + 84 = 63
49c = 63

Divide each side by '49'.
c = 1.285714286

Simplifying
c = 1.285714286

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