9(2c+7)-3c=7(c+5)

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Solution for 9(2c+7)-3c=7(c+5) equation:


Simplifying
9(2c + 7) + -3c = 7(c + 5)

Reorder the terms:
9(7 + 2c) + -3c = 7(c + 5)
(7 * 9 + 2c * 9) + -3c = 7(c + 5)
(63 + 18c) + -3c = 7(c + 5)

Combine like terms: 18c + -3c = 15c
63 + 15c = 7(c + 5)

Reorder the terms:
63 + 15c = 7(5 + c)
63 + 15c = (5 * 7 + c * 7)
63 + 15c = (35 + 7c)

Solving
63 + 15c = 35 + 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.
63 + 15c + -7c = 35 + 7c + -7c

Combine like terms: 15c + -7c = 8c
63 + 8c = 35 + 7c + -7c

Combine like terms: 7c + -7c = 0
63 + 8c = 35 + 0
63 + 8c = 35

Add '-63' to each side of the equation.
63 + -63 + 8c = 35 + -63

Combine like terms: 63 + -63 = 0
0 + 8c = 35 + -63
8c = 35 + -63

Combine like terms: 35 + -63 = -28
8c = -28

Divide each side by '8'.
c = -3.5

Simplifying
c = -3.5

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