42-7c=28

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Solution for 42-7c=28 equation: 


Simplifying
42 + -7c = 28

Solving
42 + -7c = 28

Solving for variable 'c'.

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

Add '-42' to each side of the equation.
42 + -42 + -7c = 28 + -42

Combine like terms: 42 + -42 = 0
0 + -7c = 28 + -42
-7c = 28 + -42

Combine like terms: 28 + -42 = -14
-7c = -14

Divide each side by '-7'.
c = 2

Simplifying
c = 2

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