1=c+9-18

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Solution for 1=c+9-18 equation:


Simplifying
1 = c + 9 + -18

Reorder the terms:
1 = 9 + -18 + c

Combine like terms: 9 + -18 = -9
1 = -9 + c

Solving
1 = -9 + c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
1 + -1c = -9 + c + -1c

Combine like terms: c + -1c = 0
1 + -1c = -9 + 0
1 + -1c = -9

Add '-1' to each side of the equation.
1 + -1 + -1c = -9 + -1

Combine like terms: 1 + -1 = 0
0 + -1c = -9 + -1
-1c = -9 + -1

Combine like terms: -9 + -1 = -10
-1c = -10

Divide each side by '-1'.
c = 10

Simplifying
c = 10

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