8+13r-3=8r+75-5r

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Solution for 8+13r-3=8r+75-5r equation:


Simplifying
8 + 13r + -3 = 8r + 75 + -5r

Reorder the terms:
8 + -3 + 13r = 8r + 75 + -5r

Combine like terms: 8 + -3 = 5
5 + 13r = 8r + 75 + -5r

Reorder the terms:
5 + 13r = 75 + 8r + -5r

Combine like terms: 8r + -5r = 3r
5 + 13r = 75 + 3r

Solving
5 + 13r = 75 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
5 + 13r + -3r = 75 + 3r + -3r

Combine like terms: 13r + -3r = 10r
5 + 10r = 75 + 3r + -3r

Combine like terms: 3r + -3r = 0
5 + 10r = 75 + 0
5 + 10r = 75

Add '-5' to each side of the equation.
5 + -5 + 10r = 75 + -5

Combine like terms: 5 + -5 = 0
0 + 10r = 75 + -5
10r = 75 + -5

Combine like terms: 75 + -5 = 70
10r = 70

Divide each side by '10'.
r = 7

Simplifying
r = 7

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