6r-9=7+4r

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Solution for 6r-9=7+4r equation:


Simplifying
6r + -9 = 7 + 4r

Reorder the terms:
-9 + 6r = 7 + 4r

Solving
-9 + 6r = 7 + 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.
-9 + 6r + -4r = 7 + 4r + -4r

Combine like terms: 6r + -4r = 2r
-9 + 2r = 7 + 4r + -4r

Combine like terms: 4r + -4r = 0
-9 + 2r = 7 + 0
-9 + 2r = 7

Add '9' to each side of the equation.
-9 + 9 + 2r = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 2r = 7 + 9
2r = 7 + 9

Combine like terms: 7 + 9 = 16
2r = 16

Divide each side by '2'.
r = 8

Simplifying
r = 8

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