(5-4)(r+10)=1

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Solution for (5-4)(r+10)=1 equation:


Simplifying
(5 + -4)(r + 10) = 1

Combine like terms: 5 + -4 = 1
(1)(r + 10) = 1

Reorder the terms:
1(10 + r) = 1
(10 * 1 + r * 1) = 1
(10 + 1r) = 1

Solving
10 + 1r = 1

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + 1r = 1 + -10

Combine like terms: 10 + -10 = 0
0 + 1r = 1 + -10
1r = 1 + -10

Combine like terms: 1 + -10 = -9
1r = -9

Divide each side by '1'.
r = -9

Simplifying
r = -9

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