8c+21=7c-16

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Solution for 8c+21=7c-16 equation:


Simplifying
8c + 21 = 7c + -16

Reorder the terms:
21 + 8c = 7c + -16

Reorder the terms:
21 + 8c = -16 + 7c

Solving
21 + 8c = -16 + 7c

Solving for variable 'c'.

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

Add '-7c' to each side of the equation.
21 + 8c + -7c = -16 + 7c + -7c

Combine like terms: 8c + -7c = 1c
21 + 1c = -16 + 7c + -7c

Combine like terms: 7c + -7c = 0
21 + 1c = -16 + 0
21 + 1c = -16

Add '-21' to each side of the equation.
21 + -21 + 1c = -16 + -21

Combine like terms: 21 + -21 = 0
0 + 1c = -16 + -21
1c = -16 + -21

Combine like terms: -16 + -21 = -37
1c = -37

Divide each side by '1'.
c = -37

Simplifying
c = -37

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