5-(6r+9)=-8r+9

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Solution for 5-(6r+9)=-8r+9 equation:


Simplifying
5 + -1(6r + 9) = -8r + 9

Reorder the terms:
5 + -1(9 + 6r) = -8r + 9
5 + (9 * -1 + 6r * -1) = -8r + 9
5 + (-9 + -6r) = -8r + 9

Combine like terms: 5 + -9 = -4
-4 + -6r = -8r + 9

Reorder the terms:
-4 + -6r = 9 + -8r

Solving
-4 + -6r = 9 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
-4 + -6r + 8r = 9 + -8r + 8r

Combine like terms: -6r + 8r = 2r
-4 + 2r = 9 + -8r + 8r

Combine like terms: -8r + 8r = 0
-4 + 2r = 9 + 0
-4 + 2r = 9

Add '4' to each side of the equation.
-4 + 4 + 2r = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 2r = 9 + 4
2r = 9 + 4

Combine like terms: 9 + 4 = 13
2r = 13

Divide each side by '2'.
r = 6.5

Simplifying
r = 6.5

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