20=2c+5

Solution for 20=2c+5 equation:

Simplifying
20 = 2c + 5

Reorder the terms:
20 = 5 + 2c

Solving
20 = 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.
20 + -2c = 5 + 2c + -2c

Combine like terms: 2c + -2c = 0
20 + -2c = 5 + 0
20 + -2c = 5

Add '-20' to each side of the equation.
20 + -20 + -2c = 5 + -20

Combine like terms: 20 + -20 = 0
0 + -2c = 5 + -20
-2c = 5 + -20

Combine like terms: 5 + -20 = -15
-2c = -15

Divide each side by '-2'.
c = 7.5

Simplifying
c = 7.5