7+8r-2=9r+29-4r

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Solution for 7+8r-2=9r+29-4r equation:


Simplifying
7 + 8r + -2 = 9r + 29 + -4r

Reorder the terms:
7 + -2 + 8r = 9r + 29 + -4r

Combine like terms: 7 + -2 = 5
5 + 8r = 9r + 29 + -4r

Reorder the terms:
5 + 8r = 29 + 9r + -4r

Combine like terms: 9r + -4r = 5r
5 + 8r = 29 + 5r

Solving
5 + 8r = 29 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
5 + 8r + -5r = 29 + 5r + -5r

Combine like terms: 8r + -5r = 3r
5 + 3r = 29 + 5r + -5r

Combine like terms: 5r + -5r = 0
5 + 3r = 29 + 0
5 + 3r = 29

Add '-5' to each side of the equation.
5 + -5 + 3r = 29 + -5

Combine like terms: 5 + -5 = 0
0 + 3r = 29 + -5
3r = 29 + -5

Combine like terms: 29 + -5 = 24
3r = 24

Divide each side by '3'.
r = 8

Simplifying
r = 8

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