4r+7c=2r+12c

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Solution for 4r+7c=2r+12c equation:


Simplifying
4r + 7c = 2r + 12c

Reorder the terms:
7c + 4r = 2r + 12c

Reorder the terms:
7c + 4r = 12c + 2r

Solving
7c + 4r = 12c + 2r

Solving for variable 'c'.

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

Add '-12c' to each side of the equation.
7c + -12c + 4r = 12c + -12c + 2r

Combine like terms: 7c + -12c = -5c
-5c + 4r = 12c + -12c + 2r

Combine like terms: 12c + -12c = 0
-5c + 4r = 0 + 2r
-5c + 4r = 2r

Add '-4r' to each side of the equation.
-5c + 4r + -4r = 2r + -4r

Combine like terms: 4r + -4r = 0
-5c + 0 = 2r + -4r
-5c = 2r + -4r

Combine like terms: 2r + -4r = -2r
-5c = -2r

Divide each side by '-5'.
c = 0.4r

Simplifying
c = 0.4r

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