c+2c+c+10=90

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Solution for c+2c+c+10=90 equation:


Simplifying
c + 2c + c + 10 = 90

Reorder the terms:
10 + c + 2c + c = 90

Combine like terms: c + 2c = 3c
10 + 3c + c = 90

Combine like terms: 3c + c = 4c
10 + 4c = 90

Solving
10 + 4c = 90

Solving for variable 'c'.

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

Add '-10' to each side of the equation.
10 + -10 + 4c = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 4c = 90 + -10
4c = 90 + -10

Combine like terms: 90 + -10 = 80
4c = 80

Divide each side by '4'.
c = 20

Simplifying
c = 20

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