a+r=s+r

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Solution for a+r=s+r equation: 


Simplifying
a + r = s + r

Reorder the terms:
a + r = r + s

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

Combine like terms: r + -1r = 0
a + 0 = r + -1r + s
a = r + -1r + s

Combine like terms: r + -1r = 0
a = 0 + s
a = s

Solving
a = s

Solving for variable 'a'.

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

Simplifying
a = s

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