1=7+8c-9

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Solution for 1=7+8c-9 equation:


Simplifying
1 = 7 + 8c + -9

Reorder the terms:
1 = 7 + -9 + 8c

Combine like terms: 7 + -9 = -2
1 = -2 + 8c

Solving
1 = -2 + 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.
1 + -8c = -2 + 8c + -8c

Combine like terms: 8c + -8c = 0
1 + -8c = -2 + 0
1 + -8c = -2

Add '-1' to each side of the equation.
1 + -1 + -8c = -2 + -1

Combine like terms: 1 + -1 = 0
0 + -8c = -2 + -1
-8c = -2 + -1

Combine like terms: -2 + -1 = -3
-8c = -3

Divide each side by '-8'.
c = 0.375

Simplifying
c = 0.375

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