2r+8=100

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Solution for 2r+8=100 equation: 


Simplifying
2r + 8 = 100

Reorder the terms:
8 + 2r = 100

Solving
8 + 2r = 100

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 + 2r = 100 + -8

Combine like terms: 8 + -8 = 0
0 + 2r = 100 + -8
2r = 100 + -8

Combine like terms: 100 + -8 = 92
2r = 92

Divide each side by '2'.
r = 46

Simplifying
r = 46

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