4(c-7)=5(c-8)

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Solution for 4(c-7)=5(c-8) equation:


Simplifying
4(c + -7) = 5(c + -8)

Reorder the terms:
4(-7 + c) = 5(c + -8)
(-7 * 4 + c * 4) = 5(c + -8)
(-28 + 4c) = 5(c + -8)

Reorder the terms:
-28 + 4c = 5(-8 + c)
-28 + 4c = (-8 * 5 + c * 5)
-28 + 4c = (-40 + 5c)

Solving
-28 + 4c = -40 + 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.
-28 + 4c + -5c = -40 + 5c + -5c

Combine like terms: 4c + -5c = -1c
-28 + -1c = -40 + 5c + -5c

Combine like terms: 5c + -5c = 0
-28 + -1c = -40 + 0
-28 + -1c = -40

Add '28' to each side of the equation.
-28 + 28 + -1c = -40 + 28

Combine like terms: -28 + 28 = 0
0 + -1c = -40 + 28
-1c = -40 + 28

Combine like terms: -40 + 28 = -12
-1c = -12

Divide each side by '-1'.
c = 12

Simplifying
c = 12

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