20+3c=7c-10

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Solution for 20+3c=7c-10 equation:


Simplifying
20 + 3c = 7c + -10

Reorder the terms:
20 + 3c = -10 + 7c

Solving
20 + 3c = -10 + 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.
20 + 3c + -7c = -10 + 7c + -7c

Combine like terms: 3c + -7c = -4c
20 + -4c = -10 + 7c + -7c

Combine like terms: 7c + -7c = 0
20 + -4c = -10 + 0
20 + -4c = -10

Add '-20' to each side of the equation.
20 + -20 + -4c = -10 + -20

Combine like terms: 20 + -20 = 0
0 + -4c = -10 + -20
-4c = -10 + -20

Combine like terms: -10 + -20 = -30
-4c = -30

Divide each side by '-4'.
c = 7.5

Simplifying
c = 7.5

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