9=-(r-5)+9

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


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

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

Reorder the terms:
9 = 5 + 9 + -1r

Combine like terms: 5 + 9 = 14
9 = 14 + -1r

Solving
9 = 14 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
9 + r = 14 + -1r + r

Combine like terms: -1r + r = 0
9 + r = 14 + 0
9 + r = 14

Add '-9' to each side of the equation.
9 + -9 + r = 14 + -9

Combine like terms: 9 + -9 = 0
0 + r = 14 + -9
r = 14 + -9

Combine like terms: 14 + -9 = 5
r = 5

Simplifying
r = 5

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