15.8=r

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Solution for 15.8=r equation:


Simplifying
15.8 = r

Solving
15.8 = r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
15.8 + -1r = r + -1r

Combine like terms: r + -1r = 0
15.8 + -1r = 0

Add '-15.8' to each side of the equation.
15.8 + -15.8 + -1r = 0 + -15.8

Combine like terms: 15.8 + -15.8 = 0.0
0.0 + -1r = 0 + -15.8
-1r = 0 + -15.8

Combine like terms: 0 + -15.8 = -15.8
-1r = -15.8

Divide each side by '-1'.
r = 15.8

Simplifying
r = 15.8

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