10(r+1)=100

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Solution for 10(r+1)=100 equation: 


Simplifying
10(r + 1) = 100

Reorder the terms:
10(1 + r) = 100
(1 * 10 + r * 10) = 100
(10 + 10r) = 100

Solving
10 + 10r = 100

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 + 10r = 100 + -10

Combine like terms: 10 + -10 = 0
0 + 10r = 100 + -10
10r = 100 + -10

Combine like terms: 100 + -10 = 90
10r = 90

Divide each side by '10'.
r = 9

Simplifying
r = 9

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