28=-4(c-9)

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Solution for 28=-4(c-9) equation:


Simplifying
28 = -4(c + -9)

Reorder the terms:
28 = -4(-9 + c)
28 = (-9 * -4 + c * -4)
28 = (36 + -4c)

Solving
28 = 36 + -4c

Solving for variable 'c'.

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

Add '4c' to each side of the equation.
28 + 4c = 36 + -4c + 4c

Combine like terms: -4c + 4c = 0
28 + 4c = 36 + 0
28 + 4c = 36

Add '-28' to each side of the equation.
28 + -28 + 4c = 36 + -28

Combine like terms: 28 + -28 = 0
0 + 4c = 36 + -28
4c = 36 + -28

Combine like terms: 36 + -28 = 8
4c = 8

Divide each side by '4'.
c = 2

Simplifying
c = 2

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