2[3r-1]-4r+5=

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Solution for 2[3r-1]-4r+5= equation:


Simplifying
2[3r + -1] + -4r + 5 = 0

Reorder the terms:
2[-1 + 3r] + -4r + 5 = 0
[-1 * 2 + 3r * 2] + -4r + 5 = 0
[-2 + 6r] + -4r + 5 = 0

Reorder the terms:
-2 + 5 + 6r + -4r = 0

Combine like terms: -2 + 5 = 3
3 + 6r + -4r = 0

Combine like terms: 6r + -4r = 2r
3 + 2r = 0

Solving
3 + 2r = 0

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + 2r = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2r = 0 + -3
2r = 0 + -3

Combine like terms: 0 + -3 = -3
2r = -3

Divide each side by '2'.
r = -1.5

Simplifying
r = -1.5

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