3r-(-5)=-10

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Solution for 3r-(-5)=-10 equation: 


Simplifying
3r + -1(-5) = -10

Multiply -1 * -5
3r + 5 = -10

Reorder the terms:
5 + 3r = -10

Solving
5 + 3r = -10

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + 3r = -10 + -5

Combine like terms: 5 + -5 = 0
0 + 3r = -10 + -5
3r = -10 + -5

Combine like terms: -10 + -5 = -15
3r = -15

Divide each side by '3'.
r = -5

Simplifying
r = -5

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