7(c-3)=2c+9

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


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

Reorder the terms:
7(-3 + c) = 2c + 9
(-3 * 7 + c * 7) = 2c + 9
(-21 + 7c) = 2c + 9

Reorder the terms:
-21 + 7c = 9 + 2c

Solving
-21 + 7c = 9 + 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.
-21 + 7c + -2c = 9 + 2c + -2c

Combine like terms: 7c + -2c = 5c
-21 + 5c = 9 + 2c + -2c

Combine like terms: 2c + -2c = 0
-21 + 5c = 9 + 0
-21 + 5c = 9

Add '21' to each side of the equation.
-21 + 21 + 5c = 9 + 21

Combine like terms: -21 + 21 = 0
0 + 5c = 9 + 21
5c = 9 + 21

Combine like terms: 9 + 21 = 30
5c = 30

Divide each side by '5'.
c = 6

Simplifying
c = 6

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