0.3r-0.5=0.7

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Solution for 0.3r-0.5=0.7 equation: 


Simplifying
0.3r + -0.5 = 0.7

Reorder the terms:
-0.5 + 0.3r = 0.7

Solving
-0.5 + 0.3r = 0.7

Solving for variable 'r'.

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

Add '0.5' to each side of the equation.
-0.5 + 0.5 + 0.3r = 0.7 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + 0.3r = 0.7 + 0.5
0.3r = 0.7 + 0.5

Combine like terms: 0.7 + 0.5 = 1.2
0.3r = 1.2

Divide each side by '0.3'.
r = 4

Simplifying
r = 4

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