3(-1-2c)-c=8(2c-9)

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Solution for 3(-1-2c)-c=8(2c-9) equation:


Simplifying
3(-1 + -2c) + -1c = 8(2c + -9)
(-1 * 3 + -2c * 3) + -1c = 8(2c + -9)
(-3 + -6c) + -1c = 8(2c + -9)

Combine like terms: -6c + -1c = -7c
-3 + -7c = 8(2c + -9)

Reorder the terms:
-3 + -7c = 8(-9 + 2c)
-3 + -7c = (-9 * 8 + 2c * 8)
-3 + -7c = (-72 + 16c)

Solving
-3 + -7c = -72 + 16c

Solving for variable 'c'.

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

Add '-16c' to each side of the equation.
-3 + -7c + -16c = -72 + 16c + -16c

Combine like terms: -7c + -16c = -23c
-3 + -23c = -72 + 16c + -16c

Combine like terms: 16c + -16c = 0
-3 + -23c = -72 + 0
-3 + -23c = -72

Add '3' to each side of the equation.
-3 + 3 + -23c = -72 + 3

Combine like terms: -3 + 3 = 0
0 + -23c = -72 + 3
-23c = -72 + 3

Combine like terms: -72 + 3 = -69
-23c = -69

Divide each side by '-23'.
c = 3

Simplifying
c = 3

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