15=2(c-3)

Solution for 15=2(c-3) equation:

Simplifying
15 = 2(c + -3)

Reorder the terms:
15 = 2(-3 + c)
15 = (-3 * 2 + c * 2)
15 = (-6 + 2c)

Solving
15 = -6 + 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.
15 + -2c = -6 + 2c + -2c

Combine like terms: 2c + -2c = 0
15 + -2c = -6 + 0
15 + -2c = -6

Add '-15' to each side of the equation.
15 + -15 + -2c = -6 + -15

Combine like terms: 15 + -15 = 0
0 + -2c = -6 + -15
-2c = -6 + -15

Combine like terms: -6 + -15 = -21
-2c = -21

Divide each side by '-2'.
c = 10.5

Simplifying
c = 10.5