-9r-4+7r=-26

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Solution for -9r-4+7r=-26 equation:


Simplifying
-9r + -4 + 7r = -26

Reorder the terms:
-4 + -9r + 7r = -26

Combine like terms: -9r + 7r = -2r
-4 + -2r = -26

Solving
-4 + -2r = -26

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + -2r = -26 + 4

Combine like terms: -4 + 4 = 0
0 + -2r = -26 + 4
-2r = -26 + 4

Combine like terms: -26 + 4 = -22
-2r = -22

Divide each side by '-2'.
r = 11

Simplifying
r = 11

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