.3r+.1=4.3

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Solution for .3r+.1=4.3 equation: 


Simplifying
0.3r + 0.1 = 4.3

Reorder the terms:
0.1 + 0.3r = 4.3

Solving
0.1 + 0.3r = 4.3

Solving for variable 'r'.

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

Add '-0.1' to each side of the equation.
0.1 + -0.1 + 0.3r = 4.3 + -0.1

Combine like terms: 0.1 + -0.1 = 0.0
0.0 + 0.3r = 4.3 + -0.1
0.3r = 4.3 + -0.1

Combine like terms: 4.3 + -0.1 = 4.2
0.3r = 4.2

Divide each side by '0.3'.
r = 14

Simplifying
r = 14

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