7r-3(2r+3)=27

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Solution for 7r-3(2r+3)=27 equation:


Simplifying
7r + -3(2r + 3) = 27

Reorder the terms:
7r + -3(3 + 2r) = 27
7r + (3 * -3 + 2r * -3) = 27
7r + (-9 + -6r) = 27

Reorder the terms:
-9 + 7r + -6r = 27

Combine like terms: 7r + -6r = 1r
-9 + 1r = 27

Solving
-9 + 1r = 27

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 1r = 27 + 9

Combine like terms: -9 + 9 = 0
0 + 1r = 27 + 9
1r = 27 + 9

Combine like terms: 27 + 9 = 36
1r = 36

Divide each side by '1'.
r = 36

Simplifying
r = 36

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