r+312=487

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Solution for r+312=487 equation: 


Simplifying
r + 312 = 487

Reorder the terms:
312 + r = 487

Solving
312 + r = 487

Solving for variable 'r'.

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

Add '-312' to each side of the equation.
312 + -312 + r = 487 + -312

Combine like terms: 312 + -312 = 0
0 + r = 487 + -312
r = 487 + -312

Combine like terms: 487 + -312 = 175
r = 175

Simplifying
r = 175

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