5-3(a+6)=a-1+8a

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Solution for 5-3(a+6)=a-1+8a equation:


Simplifying
5 + -3(a + 6) = a + -1 + 8a

Reorder the terms:
5 + -3(6 + a) = a + -1 + 8a
5 + (6 * -3 + a * -3) = a + -1 + 8a
5 + (-18 + -3a) = a + -1 + 8a

Combine like terms: 5 + -18 = -13
-13 + -3a = a + -1 + 8a

Reorder the terms:
-13 + -3a = -1 + a + 8a

Combine like terms: a + 8a = 9a
-13 + -3a = -1 + 9a

Solving
-13 + -3a = -1 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-13 + -3a + -9a = -1 + 9a + -9a

Combine like terms: -3a + -9a = -12a
-13 + -12a = -1 + 9a + -9a

Combine like terms: 9a + -9a = 0
-13 + -12a = -1 + 0
-13 + -12a = -1

Add '13' to each side of the equation.
-13 + 13 + -12a = -1 + 13

Combine like terms: -13 + 13 = 0
0 + -12a = -1 + 13
-12a = -1 + 13

Combine like terms: -1 + 13 = 12
-12a = 12

Divide each side by '-12'.
a = -1

Simplifying
a = -1

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