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

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


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

Reorder the terms:
5(9 + r) + -1(1 + -1r) = 1
(9 * 5 + r * 5) + -1(1 + -1r) = 1
(45 + 5r) + -1(1 + -1r) = 1
45 + 5r + (1 * -1 + -1r * -1) = 1
45 + 5r + (-1 + 1r) = 1

Reorder the terms:
45 + -1 + 5r + 1r = 1

Combine like terms: 45 + -1 = 44
44 + 5r + 1r = 1

Combine like terms: 5r + 1r = 6r
44 + 6r = 1

Solving
44 + 6r = 1

Solving for variable 'r'.

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

Add '-44' to each side of the equation.
44 + -44 + 6r = 1 + -44

Combine like terms: 44 + -44 = 0
0 + 6r = 1 + -44
6r = 1 + -44

Combine like terms: 1 + -44 = -43
6r = -43

Divide each side by '6'.
r = -7.166666667

Simplifying
r = -7.166666667

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