9=-(r-5)+1

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Solution for 9=-(r-5)+1 equation:


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

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

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

Combine like terms: 5 + 1 = 6
9 = 6 + -1r

Solving
9 = 6 + -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 = 6 + -1r + r

Combine like terms: -1r + r = 0
9 + r = 6 + 0
9 + r = 6

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

Combine like terms: 9 + -9 = 0
0 + r = 6 + -9
r = 6 + -9

Combine like terms: 6 + -9 = -3
r = -3

Simplifying
r = -3

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