3(R+4)-6r=-9(3)

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Solution for 3(R+4)-6r=-9(3) equation: 


Simplifying
3(R + 4) + -6r = -9(3)

Reorder the terms:
3(4 + R) + -6r = -9(3)
(4 * 3 + R * 3) + -6r = -9(3)
(12 + 3R) + -6r = -9(3)

Multiply -9 * 3
12 + 3R + -6r = -27

Solving
12 + 3R + -6r = -27

Solving for variable 'R'.

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

Add '-12' to each side of the equation.
12 + 3R + -12 + -6r = -27 + -12

Reorder the terms:
12 + -12 + 3R + -6r = -27 + -12

Combine like terms: 12 + -12 = 0
0 + 3R + -6r = -27 + -12
3R + -6r = -27 + -12

Combine like terms: -27 + -12 = -39
3R + -6r = -39

Add '6r' to each side of the equation.
3R + -6r + 6r = -39 + 6r

Combine like terms: -6r + 6r = 0
3R + 0 = -39 + 6r
3R = -39 + 6r

Divide each side by '3'.
R = -13 + 2r

Simplifying
R = -13 + 2r

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