(5+7r^5)-(9r^5+2)=

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Solution for (5+7r^5)-(9r^5+2)= equation:


Simplifying
(5 + 7r5) + -1(9r5 + 2) = 0

Remove parenthesis around (5 + 7r5)
5 + 7r5 + -1(9r5 + 2) = 0

Reorder the terms:
5 + 7r5 + -1(2 + 9r5) = 0
5 + 7r5 + (2 * -1 + 9r5 * -1) = 0
5 + 7r5 + (-2 + -9r5) = 0

Reorder the terms:
5 + -2 + 7r5 + -9r5 = 0

Combine like terms: 5 + -2 = 3
3 + 7r5 + -9r5 = 0

Combine like terms: 7r5 + -9r5 = -2r5
3 + -2r5 = 0

Solving
3 + -2r5 = 0

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + -2r5 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2r5 = 0 + -3
-2r5 = 0 + -3

Combine like terms: 0 + -3 = -3
-2r5 = -3

Divide each side by '-2'.
r5 = 1.5

Simplifying
r5 = 1.5

Reorder the terms:
-1.5 + r5 = 1.5 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
-1.5 + r5 = 0.0

The solution to this equation could not be determined.

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