6c-30=7c-42

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Solution for 6c-30=7c-42 equation:


Simplifying
6c + -30 = 7c + -42

Reorder the terms:
-30 + 6c = 7c + -42

Reorder the terms:
-30 + 6c = -42 + 7c

Solving
-30 + 6c = -42 + 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.
-30 + 6c + -7c = -42 + 7c + -7c

Combine like terms: 6c + -7c = -1c
-30 + -1c = -42 + 7c + -7c

Combine like terms: 7c + -7c = 0
-30 + -1c = -42 + 0
-30 + -1c = -42

Add '30' to each side of the equation.
-30 + 30 + -1c = -42 + 30

Combine like terms: -30 + 30 = 0
0 + -1c = -42 + 30
-1c = -42 + 30

Combine like terms: -42 + 30 = -12
-1c = -12

Divide each side by '-1'.
c = 12

Simplifying
c = 12

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