-7r+6=-15

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Solution for -7r+6=-15 equation: 


Simplifying
-7r + 6 = -15

Reorder the terms:
6 + -7r = -15

Solving
6 + -7r = -15

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 + -7r = -15 + -6

Combine like terms: 6 + -6 = 0
0 + -7r = -15 + -6
-7r = -15 + -6

Combine like terms: -15 + -6 = -21
-7r = -21

Divide each side by '-7'.
r = 3

Simplifying
r = 3

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