1r+8=1

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Solution for 1r+8=1 equation: 


Simplifying
1r + 8 = 1

Reorder the terms:
8 + 1r = 1

Solving
8 + 1r = 1

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 1r = 1 + -8

Combine like terms: 8 + -8 = 0
0 + 1r = 1 + -8
1r = 1 + -8

Combine like terms: 1 + -8 = -7
1r = -7

Divide each side by '1'.
r = -7

Simplifying
r = -7

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