7[5c-4]=15-8c

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Solution for 7[5c-4]=15-8c equation:


Simplifying
7[5c + -4] = 15 + -8c

Reorder the terms:
7[-4 + 5c] = 15 + -8c
[-4 * 7 + 5c * 7] = 15 + -8c
[-28 + 35c] = 15 + -8c

Solving
-28 + 35c = 15 + -8c

Solving for variable 'c'.

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

Add '8c' to each side of the equation.
-28 + 35c + 8c = 15 + -8c + 8c

Combine like terms: 35c + 8c = 43c
-28 + 43c = 15 + -8c + 8c

Combine like terms: -8c + 8c = 0
-28 + 43c = 15 + 0
-28 + 43c = 15

Add '28' to each side of the equation.
-28 + 28 + 43c = 15 + 28

Combine like terms: -28 + 28 = 0
0 + 43c = 15 + 28
43c = 15 + 28

Combine like terms: 15 + 28 = 43
43c = 43

Divide each side by '43'.
c = 1

Simplifying
c = 1

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