4c+7(2c-15)=57

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Solution for 4c+7(2c-15)=57 equation:


Simplifying
4c + 7(2c + -15) = 57

Reorder the terms:
4c + 7(-15 + 2c) = 57
4c + (-15 * 7 + 2c * 7) = 57
4c + (-105 + 14c) = 57

Reorder the terms:
-105 + 4c + 14c = 57

Combine like terms: 4c + 14c = 18c
-105 + 18c = 57

Solving
-105 + 18c = 57

Solving for variable 'c'.

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

Add '105' to each side of the equation.
-105 + 105 + 18c = 57 + 105

Combine like terms: -105 + 105 = 0
0 + 18c = 57 + 105
18c = 57 + 105

Combine like terms: 57 + 105 = 162
18c = 162

Divide each side by '18'.
c = 9

Simplifying
c = 9

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