(3r-13)+(-10+5)=

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Solution for (3r-13)+(-10+5)= equation:


Simplifying
(3r + -13) + (-10 + 5) = 0

Reorder the terms:
(-13 + 3r) + (-10 + 5) = 0

Remove parenthesis around (-13 + 3r)
-13 + 3r + (-10 + 5) = 0

Combine like terms: -10 + 5 = -5
-13 + 3r + (-5) = 0
-13 + 3r + -5 = 0

Reorder the terms:
-13 + -5 + 3r = 0

Combine like terms: -13 + -5 = -18
-18 + 3r = 0

Solving
-18 + 3r = 0

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + 3r = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 3r = 0 + 18
3r = 0 + 18

Combine like terms: 0 + 18 = 18
3r = 18

Divide each side by '3'.
r = 6

Simplifying
r = 6

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