4(c-4)=5(c-5)

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Solution for 4(c-4)=5(c-5) equation:


Simplifying
4(c + -4) = 5(c + -5)

Reorder the terms:
4(-4 + c) = 5(c + -5)
(-4 * 4 + c * 4) = 5(c + -5)
(-16 + 4c) = 5(c + -5)

Reorder the terms:
-16 + 4c = 5(-5 + c)
-16 + 4c = (-5 * 5 + c * 5)
-16 + 4c = (-25 + 5c)

Solving
-16 + 4c = -25 + 5c

Solving for variable 'c'.

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

Add '-5c' to each side of the equation.
-16 + 4c + -5c = -25 + 5c + -5c

Combine like terms: 4c + -5c = -1c
-16 + -1c = -25 + 5c + -5c

Combine like terms: 5c + -5c = 0
-16 + -1c = -25 + 0
-16 + -1c = -25

Add '16' to each side of the equation.
-16 + 16 + -1c = -25 + 16

Combine like terms: -16 + 16 = 0
0 + -1c = -25 + 16
-1c = -25 + 16

Combine like terms: -25 + 16 = -9
-1c = -9

Divide each side by '-1'.
c = 9

Simplifying
c = 9

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