-[c-7]=3

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Solution for -[c-7]=3 equation: 


Simplifying
-1[c + -7] = 3

Reorder the terms:
-1[-7 + c] = 3
[-7 * -1 + c * -1] = 3
[7 + -1c] = 3

Solving
7 + -1c = 3

Solving for variable 'c'.

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

Add '-7' to each side of the equation.
7 + -7 + -1c = 3 + -7

Combine like terms: 7 + -7 = 0
0 + -1c = 3 + -7
-1c = 3 + -7

Combine like terms: 3 + -7 = -4
-1c = -4

Divide each side by '-1'.
c = 4

Simplifying
c = 4

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