6615.00=6000*1+r^2

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Solution for 6615.00=6000*1+r^2 equation: 


Simplifying
6615.00 = 6000 * 1 + r2

Multiply 6000 * 1
6615.00 = 6000 + r2

Solving
6615.00 = 6000 + r2

Solving for variable 'r'.

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

Add '-1r2' to each side of the equation.
6615.00 + -1r2 = 6000 + r2 + -1r2

Combine like terms: r2 + -1r2 = 0
6615.00 + -1r2 = 6000 + 0
6615.00 + -1r2 = 6000

Add '-6615.00' to each side of the equation.
6615.00 + -6615.00 + -1r2 = 6000 + -6615.00

Combine like terms: 6615.00 + -6615.00 = 0.00
0.00 + -1r2 = 6000 + -6615.00
-1r2 = 6000 + -6615.00

Combine like terms: 6000 + -6615.00 = -615
-1r2 = -615

Divide each side by '-1'.
r2 = 615

Simplifying
r2 = 615

Take the square root of each side:
r = {-24.799193535, 24.799193535}

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