18=7c-3

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Solution for 18=7c-3 equation:


Simplifying
18 = 7c + -3

Reorder the terms:
18 = -3 + 7c

Solving
18 = -3 + 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.
18 + -7c = -3 + 7c + -7c

Combine like terms: 7c + -7c = 0
18 + -7c = -3 + 0
18 + -7c = -3

Add '-18' to each side of the equation.
18 + -18 + -7c = -3 + -18

Combine like terms: 18 + -18 = 0
0 + -7c = -3 + -18
-7c = -3 + -18

Combine like terms: -3 + -18 = -21
-7c = -21

Divide each side by '-7'.
c = 3

Simplifying
c = 3

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