10r+.4=2

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Solution for 10r+.4=2 equation: 


Simplifying
10r + 0.4 = 2

Reorder the terms:
0.4 + 10r = 2

Solving
0.4 + 10r = 2

Solving for variable 'r'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 10r = 2 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 10r = 2 + -0.4
10r = 2 + -0.4

Combine like terms: 2 + -0.4 = 1.6
10r = 1.6

Divide each side by '10'.
r = 0.16

Simplifying
r = 0.16

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