.3(2r-5)=8r-9

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Solution for .3(2r-5)=8r-9 equation:


Simplifying
0.3(2r + -5) = 8r + -9

Reorder the terms:
0.3(-5 + 2r) = 8r + -9
(-5 * 0.3 + 2r * 0.3) = 8r + -9
(-1.5 + 0.6r) = 8r + -9

Reorder the terms:
-1.5 + 0.6r = -9 + 8r

Solving
-1.5 + 0.6r = -9 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
-1.5 + 0.6r + -8r = -9 + 8r + -8r

Combine like terms: 0.6r + -8r = -7.4r
-1.5 + -7.4r = -9 + 8r + -8r

Combine like terms: 8r + -8r = 0
-1.5 + -7.4r = -9 + 0
-1.5 + -7.4r = -9

Add '1.5' to each side of the equation.
-1.5 + 1.5 + -7.4r = -9 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + -7.4r = -9 + 1.5
-7.4r = -9 + 1.5

Combine like terms: -9 + 1.5 = -7.5
-7.4r = -7.5

Divide each side by '-7.4'.
r = 1.013513514

Simplifying
r = 1.013513514

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