33-2(7r+9)=-9-6r

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Solution for 33-2(7r+9)=-9-6r equation:


Simplifying
33 + -2(7r + 9) = -9 + -6r

Reorder the terms:
33 + -2(9 + 7r) = -9 + -6r
33 + (9 * -2 + 7r * -2) = -9 + -6r
33 + (-18 + -14r) = -9 + -6r

Combine like terms: 33 + -18 = 15
15 + -14r = -9 + -6r

Solving
15 + -14r = -9 + -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.
15 + -14r + 6r = -9 + -6r + 6r

Combine like terms: -14r + 6r = -8r
15 + -8r = -9 + -6r + 6r

Combine like terms: -6r + 6r = 0
15 + -8r = -9 + 0
15 + -8r = -9

Add '-15' to each side of the equation.
15 + -15 + -8r = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -8r = -9 + -15
-8r = -9 + -15

Combine like terms: -9 + -15 = -24
-8r = -24

Divide each side by '-8'.
r = 3

Simplifying
r = 3

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