3c+85=7c-15

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Solution for 3c+85=7c-15 equation:


Simplifying
3c + 85 = 7c + -15

Reorder the terms:
85 + 3c = 7c + -15

Reorder the terms:
85 + 3c = -15 + 7c

Solving
85 + 3c = -15 + 7c

Solving for variable 'c'.

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

Add '-7c' to each side of the equation.
85 + 3c + -7c = -15 + 7c + -7c

Combine like terms: 3c + -7c = -4c
85 + -4c = -15 + 7c + -7c

Combine like terms: 7c + -7c = 0
85 + -4c = -15 + 0
85 + -4c = -15

Add '-85' to each side of the equation.
85 + -85 + -4c = -15 + -85

Combine like terms: 85 + -85 = 0
0 + -4c = -15 + -85
-4c = -15 + -85

Combine like terms: -15 + -85 = -100
-4c = -100

Divide each side by '-4'.
c = 25

Simplifying
c = 25

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