3r-10=9r+3

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Solution for 3r-10=9r+3 equation:


Simplifying
3r + -10 = 9r + 3

Reorder the terms:
-10 + 3r = 9r + 3

Reorder the terms:
-10 + 3r = 3 + 9r

Solving
-10 + 3r = 3 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-10 + 3r + -9r = 3 + 9r + -9r

Combine like terms: 3r + -9r = -6r
-10 + -6r = 3 + 9r + -9r

Combine like terms: 9r + -9r = 0
-10 + -6r = 3 + 0
-10 + -6r = 3

Add '10' to each side of the equation.
-10 + 10 + -6r = 3 + 10

Combine like terms: -10 + 10 = 0
0 + -6r = 3 + 10
-6r = 3 + 10

Combine like terms: 3 + 10 = 13
-6r = 13

Divide each side by '-6'.
r = -2.166666667

Simplifying
r = -2.166666667

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