-13=-r-6

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Solution for -13=-r-6 equation:


Simplifying
-13 = -1r + -6

Reorder the terms:
-13 = -6 + -1r

Solving
-13 = -6 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-13 + r = -6 + -1r + r

Combine like terms: -1r + r = 0
-13 + r = -6 + 0
-13 + r = -6

Add '13' to each side of the equation.
-13 + 13 + r = -6 + 13

Combine like terms: -13 + 13 = 0
0 + r = -6 + 13
r = -6 + 13

Combine like terms: -6 + 13 = 7
r = 7

Simplifying
r = 7

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