7r-3r=31r-2

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Solution for 7r-3r=31r-2 equation:


Simplifying
7r + -3r = 31r + -2

Combine like terms: 7r + -3r = 4r
4r = 31r + -2

Reorder the terms:
4r = -2 + 31r

Solving
4r = -2 + 31r

Solving for variable 'r'.

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

Add '-31r' to each side of the equation.
4r + -31r = -2 + 31r + -31r

Combine like terms: 4r + -31r = -27r
-27r = -2 + 31r + -31r

Combine like terms: 31r + -31r = 0
-27r = -2 + 0
-27r = -2

Divide each side by '-27'.
r = 0.07407407407

Simplifying
r = 0.07407407407

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