60=-2(m+3)

Solution for 60=-2(m+3) equation:

Simplifying
60 = -2(m + 3)

Reorder the terms:
60 = -2(3 + m)
60 = (3 * -2 + m * -2)
60 = (-6 + -2m)

Solving
60 = -6 + -2m

Solving for variable 'm'.

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

Add '2m' to each side of the equation.
60 + 2m = -6 + -2m + 2m

Combine like terms: -2m + 2m = 0
60 + 2m = -6 + 0
60 + 2m = -6

Add '-60' to each side of the equation.
60 + -60 + 2m = -6 + -60

Combine like terms: 60 + -60 = 0
0 + 2m = -6 + -60
2m = -6 + -60

Combine like terms: -6 + -60 = -66
2m = -66

Divide each side by '2'.
m = -33

Simplifying
m = -33