6+3r-2=8r+9-4r

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Solution for 6+3r-2=8r+9-4r equation:


Simplifying
6 + 3r + -2 = 8r + 9 + -4r

Reorder the terms:
6 + -2 + 3r = 8r + 9 + -4r

Combine like terms: 6 + -2 = 4
4 + 3r = 8r + 9 + -4r

Reorder the terms:
4 + 3r = 9 + 8r + -4r

Combine like terms: 8r + -4r = 4r
4 + 3r = 9 + 4r

Solving
4 + 3r = 9 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
4 + 3r + -4r = 9 + 4r + -4r

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

Combine like terms: 4r + -4r = 0
4 + -1r = 9 + 0
4 + -1r = 9

Add '-4' to each side of the equation.
4 + -4 + -1r = 9 + -4

Combine like terms: 4 + -4 = 0
0 + -1r = 9 + -4
-1r = 9 + -4

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

Divide each side by '-1'.
r = -5

Simplifying
r = -5

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