12-23=7(9-c)

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Solution for 12-23=7(9-c) equation:


Simplifying
12 + -23 = 7(9 + -1c)

Combine like terms: 12 + -23 = -11
-11 = 7(9 + -1c)
-11 = (9 * 7 + -1c * 7)
-11 = (63 + -7c)

Solving
-11 = 63 + -7c

Solving for variable 'c'.

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

Add '7c' to each side of the equation.
-11 + 7c = 63 + -7c + 7c

Combine like terms: -7c + 7c = 0
-11 + 7c = 63 + 0
-11 + 7c = 63

Add '11' to each side of the equation.
-11 + 11 + 7c = 63 + 11

Combine like terms: -11 + 11 = 0
0 + 7c = 63 + 11
7c = 63 + 11

Combine like terms: 63 + 11 = 74
7c = 74

Divide each side by '7'.
c = 10.57142857

Simplifying
c = 10.57142857

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