4c-2=4(21)-2

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Solution for 4c-2=4(21)-2 equation:


Simplifying
4c + -2 = 4(21) + -2

Reorder the terms:
-2 + 4c = 4(21) + -2

Multiply 4 * 21
-2 + 4c = 84 + -2

Combine like terms: 84 + -2 = 82
-2 + 4c = 82

Solving
-2 + 4c = 82

Solving for variable 'c'.

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

Add '2' to each side of the equation.
-2 + 2 + 4c = 82 + 2

Combine like terms: -2 + 2 = 0
0 + 4c = 82 + 2
4c = 82 + 2

Combine like terms: 82 + 2 = 84
4c = 84

Divide each side by '4'.
c = 21

Simplifying
c = 21

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