6(r)=3(r-1)

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Solution for 6(r)=3(r-1) equation: 


Simplifying
6(r) = 3(r + -1)

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

Solving
6r = -3 + 3r

Solving for variable 'r'.

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

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

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

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

Divide each side by '3'.
r = -1

Simplifying
r = -1

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