a+9=6(a-11)

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Solution for a+9=6(a-11) equation:


Simplifying
a + 9 = 6(a + -11)

Reorder the terms:
9 + a = 6(a + -11)

Reorder the terms:
9 + a = 6(-11 + a)
9 + a = (-11 * 6 + a * 6)
9 + a = (-66 + 6a)

Solving
9 + a = -66 + 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.
9 + a + -6a = -66 + 6a + -6a

Combine like terms: a + -6a = -5a
9 + -5a = -66 + 6a + -6a

Combine like terms: 6a + -6a = 0
9 + -5a = -66 + 0
9 + -5a = -66

Add '-9' to each side of the equation.
9 + -9 + -5a = -66 + -9

Combine like terms: 9 + -9 = 0
0 + -5a = -66 + -9
-5a = -66 + -9

Combine like terms: -66 + -9 = -75
-5a = -75

Divide each side by '-5'.
a = 15

Simplifying
a = 15

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