r=q-r

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Solution for r=q-r equation:


Simplifying
r = q + -1r

Solving
r = q + -1r

Solving for variable 'r'.

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

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

Combine like terms: r + r = 2r
2r = q + -1r + r

Combine like terms: -1r + r = 0
2r = q + 0
2r = q

Divide each side by '2'.
r = 0.5q

Simplifying
r = 0.5q

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