7c+12=-4r+78

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Solution for 7c+12=-4r+78 equation:


Simplifying
7c + 12 = -4r + 78

Reorder the terms:
12 + 7c = -4r + 78

Reorder the terms:
12 + 7c = 78 + -4r

Solving
12 + 7c = 78 + -4r

Solving for variable 'c'.

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

Add '-12' to each side of the equation.
12 + -12 + 7c = 78 + -12 + -4r

Combine like terms: 12 + -12 = 0
0 + 7c = 78 + -12 + -4r
7c = 78 + -12 + -4r

Combine like terms: 78 + -12 = 66
7c = 66 + -4r

Divide each side by '7'.
c = 9.428571429 + -0.5714285714r

Simplifying
c = 9.428571429 + -0.5714285714r

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