-3(a+6)=6(a+9)

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Solution for -3(a+6)=6(a+9) equation:


Simplifying
-3(a + 6) = 6(a + 9)

Reorder the terms:
-3(6 + a) = 6(a + 9)
(6 * -3 + a * -3) = 6(a + 9)
(-18 + -3a) = 6(a + 9)

Reorder the terms:
-18 + -3a = 6(9 + a)
-18 + -3a = (9 * 6 + a * 6)
-18 + -3a = (54 + 6a)

Solving
-18 + -3a = 54 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-18 + -3a + -6a = 54 + 6a + -6a

Combine like terms: -3a + -6a = -9a
-18 + -9a = 54 + 6a + -6a

Combine like terms: 6a + -6a = 0
-18 + -9a = 54 + 0
-18 + -9a = 54

Add '18' to each side of the equation.
-18 + 18 + -9a = 54 + 18

Combine like terms: -18 + 18 = 0
0 + -9a = 54 + 18
-9a = 54 + 18

Combine like terms: 54 + 18 = 72
-9a = 72

Divide each side by '-9'.
a = -8

Simplifying
a = -8

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