0.3(2r-3)=0.2+0.9

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Solution for 0.3(2r-3)=0.2+0.9 equation: 


Simplifying
0.3(2r + -3) = 0.2 + 0.9

Reorder the terms:
0.3(-3 + 2r) = 0.2 + 0.9
(-3 * 0.3 + 2r * 0.3) = 0.2 + 0.9
(-0.9 + 0.6r) = 0.2 + 0.9

Combine like terms: 0.2 + 0.9 = 1.1
-0.9 + 0.6r = 1.1

Solving
-0.9 + 0.6r = 1.1

Solving for variable 'r'.

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

Add '0.9' to each side of the equation.
-0.9 + 0.9 + 0.6r = 1.1 + 0.9

Combine like terms: -0.9 + 0.9 = 0.0
0.0 + 0.6r = 1.1 + 0.9
0.6r = 1.1 + 0.9

Combine like terms: 1.1 + 0.9 = 2
0.6r = 2

Divide each side by '0.6'.
r = 3.333333333

Simplifying
r = 3.333333333

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