-3.2r-12.16=1.5r-2.8r

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Solution for -3.2r-12.16=1.5r-2.8r equation: 


Simplifying
-3.2r + -12.16 = 1.5r + -2.8r

Reorder the terms:
-12.16 + -3.2r = 1.5r + -2.8r

Combine like terms: 1.5r + -2.8r = -1.3r
-12.16 + -3.2r = -1.3r

Solving
-12.16 + -3.2r = -1.3r

Solving for variable 'r'.

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

Add '1.3r' to each side of the equation.
-12.16 + -3.2r + 1.3r = -1.3r + 1.3r

Combine like terms: -3.2r + 1.3r = -1.9r
-12.16 + -1.9r = -1.3r + 1.3r

Combine like terms: -1.3r + 1.3r = 0.0
-12.16 + -1.9r = 0.0

Add '12.16' to each side of the equation.
-12.16 + 12.16 + -1.9r = 0.0 + 12.16

Combine like terms: -12.16 + 12.16 = 0.00
0.00 + -1.9r = 0.0 + 12.16
-1.9r = 0.0 + 12.16

Combine like terms: 0.0 + 12.16 = 12.16
-1.9r = 12.16

Divide each side by '-1.9'.
r = -6.4

Simplifying
r = -6.4

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