(3a-3)+(-6a-7)+(6a-8)=

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Solution for (3a-3)+(-6a-7)+(6a-8)= equation:


Simplifying
(3a + -3) + (-6a + -7) + (6a + -8) = 0

Reorder the terms:
(-3 + 3a) + (-6a + -7) + (6a + -8) = 0

Remove parenthesis around (-3 + 3a)
-3 + 3a + (-6a + -7) + (6a + -8) = 0

Reorder the terms:
-3 + 3a + (-7 + -6a) + (6a + -8) = 0

Remove parenthesis around (-7 + -6a)
-3 + 3a + -7 + -6a + (6a + -8) = 0

Reorder the terms:
-3 + 3a + -7 + -6a + (-8 + 6a) = 0

Remove parenthesis around (-8 + 6a)
-3 + 3a + -7 + -6a + -8 + 6a = 0

Reorder the terms:
-3 + -7 + -8 + 3a + -6a + 6a = 0

Combine like terms: -3 + -7 = -10
-10 + -8 + 3a + -6a + 6a = 0

Combine like terms: -10 + -8 = -18
-18 + 3a + -6a + 6a = 0

Combine like terms: 3a + -6a = -3a
-18 + -3a + 6a = 0

Combine like terms: -3a + 6a = 3a
-18 + 3a = 0

Solving
-18 + 3a = 0

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + 3a = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 3a = 0 + 18
3a = 0 + 18

Combine like terms: 0 + 18 = 18
3a = 18

Divide each side by '3'.
a = 6

Simplifying
a = 6

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