8c+11c+9=-18-8(-c+20)

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Solution for 8c+11c+9=-18-8(-c+20) equation:


Simplifying
8c + 11c + 9 = -18 + -8(-1c + 20)

Reorder the terms:
9 + 8c + 11c = -18 + -8(-1c + 20)

Combine like terms: 8c + 11c = 19c
9 + 19c = -18 + -8(-1c + 20)

Reorder the terms:
9 + 19c = -18 + -8(20 + -1c)
9 + 19c = -18 + (20 * -8 + -1c * -8)
9 + 19c = -18 + (-160 + 8c)

Combine like terms: -18 + -160 = -178
9 + 19c = -178 + 8c

Solving
9 + 19c = -178 + 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.
9 + 19c + -8c = -178 + 8c + -8c

Combine like terms: 19c + -8c = 11c
9 + 11c = -178 + 8c + -8c

Combine like terms: 8c + -8c = 0
9 + 11c = -178 + 0
9 + 11c = -178

Add '-9' to each side of the equation.
9 + -9 + 11c = -178 + -9

Combine like terms: 9 + -9 = 0
0 + 11c = -178 + -9
11c = -178 + -9

Combine like terms: -178 + -9 = -187
11c = -187

Divide each side by '11'.
c = -17

Simplifying
c = -17

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