4+5r-1=9r+13-2r

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Solution for 4+5r-1=9r+13-2r equation:


Simplifying
4 + 5r + -1 = 9r + 13 + -2r

Reorder the terms:
4 + -1 + 5r = 9r + 13 + -2r

Combine like terms: 4 + -1 = 3
3 + 5r = 9r + 13 + -2r

Reorder the terms:
3 + 5r = 13 + 9r + -2r

Combine like terms: 9r + -2r = 7r
3 + 5r = 13 + 7r

Solving
3 + 5r = 13 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
3 + 5r + -7r = 13 + 7r + -7r

Combine like terms: 5r + -7r = -2r
3 + -2r = 13 + 7r + -7r

Combine like terms: 7r + -7r = 0
3 + -2r = 13 + 0
3 + -2r = 13

Add '-3' to each side of the equation.
3 + -3 + -2r = 13 + -3

Combine like terms: 3 + -3 = 0
0 + -2r = 13 + -3
-2r = 13 + -3

Combine like terms: 13 + -3 = 10
-2r = 10

Divide each side by '-2'.
r = -5

Simplifying
r = -5

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