-10=7-(8-c)

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Solution for -10=7-(8-c) equation:


Simplifying
-10 = 7 + -1(8 + -1c)
-10 = 7 + (8 * -1 + -1c * -1)
-10 = 7 + (-8 + 1c)

Combine like terms: 7 + -8 = -1
-10 = -1 + 1c

Solving
-10 = -1 + 1c

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.
-10 + -1c = -1 + 1c + -1c

Combine like terms: 1c + -1c = 0
-10 + -1c = -1 + 0
-10 + -1c = -1

Add '10' to each side of the equation.
-10 + 10 + -1c = -1 + 10

Combine like terms: -10 + 10 = 0
0 + -1c = -1 + 10
-1c = -1 + 10

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

Divide each side by '-1'.
c = -9

Simplifying
c = -9

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