2r-7+2=-9

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Solution for 2r-7+2=-9 equation: 


Simplifying
2r + -7 + 2 = -9

Reorder the terms:
-7 + 2 + 2r = -9

Combine like terms: -7 + 2 = -5
-5 + 2r = -9

Solving
-5 + 2r = -9

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + 2r = -9 + 5

Combine like terms: -5 + 5 = 0
0 + 2r = -9 + 5
2r = -9 + 5

Combine like terms: -9 + 5 = -4
2r = -4

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

Simplifying
r = -2

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