c+45=2c-42

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Solution for c+45=2c-42 equation:


Simplifying
c + 45 = 2c + -42

Reorder the terms:
45 + c = 2c + -42

Reorder the terms:
45 + c = -42 + 2c

Solving
45 + c = -42 + 2c

Solving for variable 'c'.

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

Add '-2c' to each side of the equation.
45 + c + -2c = -42 + 2c + -2c

Combine like terms: c + -2c = -1c
45 + -1c = -42 + 2c + -2c

Combine like terms: 2c + -2c = 0
45 + -1c = -42 + 0
45 + -1c = -42

Add '-45' to each side of the equation.
45 + -45 + -1c = -42 + -45

Combine like terms: 45 + -45 = 0
0 + -1c = -42 + -45
-1c = -42 + -45

Combine like terms: -42 + -45 = -87
-1c = -87

Divide each side by '-1'.
c = 87

Simplifying
c = 87

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