7-2r-9-3r=

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Solution for 7-2r-9-3r= equation:


Simplifying
7 + -2r + -9 + -3r = 0

Reorder the terms:
7 + -9 + -2r + -3r = 0

Combine like terms: 7 + -9 = -2
-2 + -2r + -3r = 0

Combine like terms: -2r + -3r = -5r
-2 + -5r = 0

Solving
-2 + -5r = 0

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + -5r = 0 + 2

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

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

Divide each side by '-5'.
r = -0.4

Simplifying
r = -0.4

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