8r-r=38-3r

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Solution for 8r-r=38-3r equation:


Simplifying
8r + -1r = 38 + -3r

Combine like terms: 8r + -1r = 7r
7r = 38 + -3r

Solving
7r = 38 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
7r + 3r = 38 + -3r + 3r

Combine like terms: 7r + 3r = 10r
10r = 38 + -3r + 3r

Combine like terms: -3r + 3r = 0
10r = 38 + 0
10r = 38

Divide each side by '10'.
r = 3.8

Simplifying
r = 3.8

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