3(2r-1)=9(r-5)

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Solution for 3(2r-1)=9(r-5) equation:


Simplifying
3(2r + -1) = 9(r + -5)

Reorder the terms:
3(-1 + 2r) = 9(r + -5)
(-1 * 3 + 2r * 3) = 9(r + -5)
(-3 + 6r) = 9(r + -5)

Reorder the terms:
-3 + 6r = 9(-5 + r)
-3 + 6r = (-5 * 9 + r * 9)
-3 + 6r = (-45 + 9r)

Solving
-3 + 6r = -45 + 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.
-3 + 6r + -9r = -45 + 9r + -9r

Combine like terms: 6r + -9r = -3r
-3 + -3r = -45 + 9r + -9r

Combine like terms: 9r + -9r = 0
-3 + -3r = -45 + 0
-3 + -3r = -45

Add '3' to each side of the equation.
-3 + 3 + -3r = -45 + 3

Combine like terms: -3 + 3 = 0
0 + -3r = -45 + 3
-3r = -45 + 3

Combine like terms: -45 + 3 = -42
-3r = -42

Divide each side by '-3'.
r = 14

Simplifying
r = 14

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