2.2(-4r-9)+0.6r=

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Solution for 2.2(-4r-9)+0.6r= equation:


Simplifying
2.2(-4r + -9) + 0.6r = 0

Reorder the terms:
2.2(-9 + -4r) + 0.6r = 0
(-9 * 2.2 + -4r * 2.2) + 0.6r = 0
(-19.8 + -8.8r) + 0.6r = 0

Combine like terms: -8.8r + 0.6r = -8.2r
-19.8 + -8.2r = 0

Solving
-19.8 + -8.2r = 0

Solving for variable 'r'.

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

Add '19.8' to each side of the equation.
-19.8 + 19.8 + -8.2r = 0 + 19.8

Combine like terms: -19.8 + 19.8 = 0.0
0.0 + -8.2r = 0 + 19.8
-8.2r = 0 + 19.8

Combine like terms: 0 + 19.8 = 19.8
-8.2r = 19.8

Divide each side by '-8.2'.
r = -2.414634146

Simplifying
r = -2.414634146

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