20r+20-20=100-2

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Solution for 20r+20-20=100-2 equation: 


Simplifying
20r + 20 + -20 = 100 + -2

Reorder the terms:
20 + -20 + 20r = 100 + -2

Combine like terms: 20 + -20 = 0
0 + 20r = 100 + -2
20r = 100 + -2

Combine like terms: 100 + -2 = 98
20r = 98

Solving
20r = 98

Solving for variable 'r'.

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

Divide each side by '20'.
r = 4.9

Simplifying
r = 4.9

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