-9r-9=6r+51

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Solution for -9r-9=6r+51 equation:


Simplifying
-9r + -9 = 6r + 51

Reorder the terms:
-9 + -9r = 6r + 51

Reorder the terms:
-9 + -9r = 51 + 6r

Solving
-9 + -9r = 51 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
-9 + -9r + -6r = 51 + 6r + -6r

Combine like terms: -9r + -6r = -15r
-9 + -15r = 51 + 6r + -6r

Combine like terms: 6r + -6r = 0
-9 + -15r = 51 + 0
-9 + -15r = 51

Add '9' to each side of the equation.
-9 + 9 + -15r = 51 + 9

Combine like terms: -9 + 9 = 0
0 + -15r = 51 + 9
-15r = 51 + 9

Combine like terms: 51 + 9 = 60
-15r = 60

Divide each side by '-15'.
r = -4

Simplifying
r = -4

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