2821.50=2700(1+.5r)

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Solution for 2821.50=2700(1+.5r) equation: 


Simplifying
2821.50 = 2700(1 + 0.5r)
2821.50 = (1 * 2700 + 0.5r * 2700)
2821.50 = (2700 + 1350r)

Solving
2821.50 = 2700 + 1350r

Solving for variable 'r'.

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

Add '-1350r' to each side of the equation.
2821.50 + -1350r = 2700 + 1350r + -1350r

Combine like terms: 1350r + -1350r = 0
2821.50 + -1350r = 2700 + 0
2821.50 + -1350r = 2700

Add '-2821.50' to each side of the equation.
2821.50 + -2821.50 + -1350r = 2700 + -2821.50

Combine like terms: 2821.50 + -2821.50 = 0.00
0.00 + -1350r = 2700 + -2821.50
-1350r = 2700 + -2821.50

Combine like terms: 2700 + -2821.50 = -121.5
-1350r = -121.5

Divide each side by '-1350'.
r = 0.09

Simplifying
r = 0.09

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