350=1r-520

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Solution for 350=1r-520 equation:


Simplifying
350 = 1r + -520

Reorder the terms:
350 = -520 + 1r

Solving
350 = -520 + 1r

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.
350 + -1r = -520 + 1r + -1r

Combine like terms: 1r + -1r = 0
350 + -1r = -520 + 0
350 + -1r = -520

Add '-350' to each side of the equation.
350 + -350 + -1r = -520 + -350

Combine like terms: 350 + -350 = 0
0 + -1r = -520 + -350
-1r = -520 + -350

Combine like terms: -520 + -350 = -870
-1r = -870

Divide each side by '-1'.
r = 870

Simplifying
r = 870

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