-13+12-15r-10r=

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Solution for -13+12-15r-10r= equation:


Simplifying
-13 + 12 + -15r + -10r = 0

Combine like terms: -13 + 12 = -1
-1 + -15r + -10r = 0

Combine like terms: -15r + -10r = -25r
-1 + -25r = 0

Solving
-1 + -25r = 0

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + -25r = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -25r = 0 + 1
-25r = 0 + 1

Combine like terms: 0 + 1 = 1
-25r = 1

Divide each side by '-25'.
r = -0.04

Simplifying
r = -0.04

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