33-3(7r+9)=-9-6r

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Solution for 33-3(7r+9)=-9-6r equation:


Simplifying
33 + -3(7r + 9) = -9 + -6r

Reorder the terms:
33 + -3(9 + 7r) = -9 + -6r
33 + (9 * -3 + 7r * -3) = -9 + -6r
33 + (-27 + -21r) = -9 + -6r

Combine like terms: 33 + -27 = 6
6 + -21r = -9 + -6r

Solving
6 + -21r = -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.
6 + -21r + 6r = -9 + -6r + 6r

Combine like terms: -21r + 6r = -15r
6 + -15r = -9 + -6r + 6r

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

Add '-6' to each side of the equation.
6 + -6 + -15r = -9 + -6

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

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

Divide each side by '-15'.
r = 1

Simplifying
r = 1

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