6-(-10r)=-3

Solution for 6-(-10r)=-3 equation:

Simplifying
6 + -1(-10r) = -3

Remove parenthesis around (-10r)
6 + -1 * -10r = -3

Multiply -1 * -10
6 + 10r = -3

Solving
6 + 10r = -3

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + 10r = -3 + -6

Combine like terms: 6 + -6 = 0
0 + 10r = -3 + -6
10r = -3 + -6

Combine like terms: -3 + -6 = -9
10r = -9

Divide each side by '10'.
r = -0.9

Simplifying
r = -0.9