8+r-4=5

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Solution for 8+r-4=5 equation: 


Simplifying
8 + r + -4 = 5

Reorder the terms:
8 + -4 + r = 5

Combine like terms: 8 + -4 = 4
4 + r = 5

Solving
4 + r = 5

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + r = 5 + -4

Combine like terms: 4 + -4 = 0
0 + r = 5 + -4
r = 5 + -4

Combine like terms: 5 + -4 = 1
r = 1

Simplifying
r = 1

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