0.9r=0.4+0.3r

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Solution for 0.9r=0.4+0.3r equation: 


Simplifying
0.9r = 0.4 + 0.3r

Solving
0.9r = 0.4 + 0.3r

Solving for variable 'r'.

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

Add '-0.3r' to each side of the equation.
0.9r + -0.3r = 0.4 + 0.3r + -0.3r

Combine like terms: 0.9r + -0.3r = 0.6r
0.6r = 0.4 + 0.3r + -0.3r

Combine like terms: 0.3r + -0.3r = 0.0
0.6r = 0.4 + 0.0
0.6r = 0.4

Divide each side by '0.6'.
r = 0.6666666667

Simplifying
r = 0.6666666667

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