.7r-1.9=.2

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Solution for .7r-1.9=.2 equation: 


Simplifying
0.7r + -1.9 = 0.2

Reorder the terms:
-1.9 + 0.7r = 0.2

Solving
-1.9 + 0.7r = 0.2

Solving for variable 'r'.

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

Add '1.9' to each side of the equation.
-1.9 + 1.9 + 0.7r = 0.2 + 1.9

Combine like terms: -1.9 + 1.9 = 0.0
0.0 + 0.7r = 0.2 + 1.9
0.7r = 0.2 + 1.9

Combine like terms: 0.2 + 1.9 = 2.1
0.7r = 2.1

Divide each side by '0.7'.
r = 3

Simplifying
r = 3

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