0.3r-0.5+0.4r=1.6

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Solution for 0.3r-0.5+0.4r=1.6 equation:


Simplifying
0.3r + -0.5 + 0.4r = 1.6

Reorder the terms:
-0.5 + 0.3r + 0.4r = 1.6

Combine like terms: 0.3r + 0.4r = 0.7r
-0.5 + 0.7r = 1.6

Solving
-0.5 + 0.7r = 1.6

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 + 0.7r = 1.6 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + 0.7r = 1.6 + 0.5
0.7r = 1.6 + 0.5

Combine like terms: 1.6 + 0.5 = 2.1
0.7r = 2.1

Divide each side by '0.7'.
r = 3

Simplifying
r = 3

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