7r+6=28r+9

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Solution for 7r+6=28r+9 equation:


Simplifying
7r + 6 = 28r + 9

Reorder the terms:
6 + 7r = 28r + 9

Reorder the terms:
6 + 7r = 9 + 28r

Solving
6 + 7r = 9 + 28r

Solving for variable 'r'.

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

Add '-28r' to each side of the equation.
6 + 7r + -28r = 9 + 28r + -28r

Combine like terms: 7r + -28r = -21r
6 + -21r = 9 + 28r + -28r

Combine like terms: 28r + -28r = 0
6 + -21r = 9 + 0
6 + -21r = 9

Add '-6' to each side of the equation.
6 + -6 + -21r = 9 + -6

Combine like terms: 6 + -6 = 0
0 + -21r = 9 + -6
-21r = 9 + -6

Combine like terms: 9 + -6 = 3
-21r = 3

Divide each side by '-21'.
r = -0.1428571429

Simplifying
r = -0.1428571429

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