-42=-18-8c

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Solution for -42=-18-8c equation:


Simplifying
-42 = -18 + -8c

Solving
-42 = -18 + -8c

Solving for variable 'c'.

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

Add '8c' to each side of the equation.
-42 + 8c = -18 + -8c + 8c

Combine like terms: -8c + 8c = 0
-42 + 8c = -18 + 0
-42 + 8c = -18

Add '42' to each side of the equation.
-42 + 42 + 8c = -18 + 42

Combine like terms: -42 + 42 = 0
0 + 8c = -18 + 42
8c = -18 + 42

Combine like terms: -18 + 42 = 24
8c = 24

Divide each side by '8'.
c = 3

Simplifying
c = 3

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