3c-(2c-7)=9+2c-4

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Solution for 3c-(2c-7)=9+2c-4 equation:


Simplifying
3c + -1(2c + -7) = 9 + 2c + -4

Reorder the terms:
3c + -1(-7 + 2c) = 9 + 2c + -4
3c + (-7 * -1 + 2c * -1) = 9 + 2c + -4
3c + (7 + -2c) = 9 + 2c + -4

Reorder the terms:
7 + 3c + -2c = 9 + 2c + -4

Combine like terms: 3c + -2c = 1c
7 + 1c = 9 + 2c + -4

Reorder the terms:
7 + 1c = 9 + -4 + 2c

Combine like terms: 9 + -4 = 5
7 + 1c = 5 + 2c

Solving
7 + 1c = 5 + 2c

Solving for variable 'c'.

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

Add '-2c' to each side of the equation.
7 + 1c + -2c = 5 + 2c + -2c

Combine like terms: 1c + -2c = -1c
7 + -1c = 5 + 2c + -2c

Combine like terms: 2c + -2c = 0
7 + -1c = 5 + 0
7 + -1c = 5

Add '-7' to each side of the equation.
7 + -7 + -1c = 5 + -7

Combine like terms: 7 + -7 = 0
0 + -1c = 5 + -7
-1c = 5 + -7

Combine like terms: 5 + -7 = -2
-1c = -2

Divide each side by '-1'.
c = 2

Simplifying
c = 2

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