2r+3(3r-9)=6r+4

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Solution for 2r+3(3r-9)=6r+4 equation:


Simplifying
2r + 3(3r + -9) = 6r + 4

Reorder the terms:
2r + 3(-9 + 3r) = 6r + 4
2r + (-9 * 3 + 3r * 3) = 6r + 4
2r + (-27 + 9r) = 6r + 4

Reorder the terms:
-27 + 2r + 9r = 6r + 4

Combine like terms: 2r + 9r = 11r
-27 + 11r = 6r + 4

Reorder the terms:
-27 + 11r = 4 + 6r

Solving
-27 + 11r = 4 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
-27 + 11r + -6r = 4 + 6r + -6r

Combine like terms: 11r + -6r = 5r
-27 + 5r = 4 + 6r + -6r

Combine like terms: 6r + -6r = 0
-27 + 5r = 4 + 0
-27 + 5r = 4

Add '27' to each side of the equation.
-27 + 27 + 5r = 4 + 27

Combine like terms: -27 + 27 = 0
0 + 5r = 4 + 27
5r = 4 + 27

Combine like terms: 4 + 27 = 31
5r = 31

Divide each side by '5'.
r = 6.2

Simplifying
r = 6.2

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