9(a+8)=8(a+9)-6

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Solution for 9(a+8)=8(a+9)-6 equation:


Simplifying
9(a + 8) = 8(a + 9) + -6

Reorder the terms:
9(8 + a) = 8(a + 9) + -6
(8 * 9 + a * 9) = 8(a + 9) + -6
(72 + 9a) = 8(a + 9) + -6

Reorder the terms:
72 + 9a = 8(9 + a) + -6
72 + 9a = (9 * 8 + a * 8) + -6
72 + 9a = (72 + 8a) + -6

Reorder the terms:
72 + 9a = 72 + -6 + 8a

Combine like terms: 72 + -6 = 66
72 + 9a = 66 + 8a

Solving
72 + 9a = 66 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
72 + 9a + -8a = 66 + 8a + -8a

Combine like terms: 9a + -8a = 1a
72 + 1a = 66 + 8a + -8a

Combine like terms: 8a + -8a = 0
72 + 1a = 66 + 0
72 + 1a = 66

Add '-72' to each side of the equation.
72 + -72 + 1a = 66 + -72

Combine like terms: 72 + -72 = 0
0 + 1a = 66 + -72
1a = 66 + -72

Combine like terms: 66 + -72 = -6
1a = -6

Divide each side by '1'.
a = -6

Simplifying
a = -6

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