9(a+8)=8(a+9)-5

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Solution for 9(a+8)=8(a+9)-5 equation:


Simplifying
9(a + 8) = 8(a + 9) + -5

Reorder the terms:
9(8 + a) = 8(a + 9) + -5
(8 * 9 + a * 9) = 8(a + 9) + -5
(72 + 9a) = 8(a + 9) + -5

Reorder the terms:
72 + 9a = 8(9 + a) + -5
72 + 9a = (9 * 8 + a * 8) + -5
72 + 9a = (72 + 8a) + -5

Reorder the terms:
72 + 9a = 72 + -5 + 8a

Combine like terms: 72 + -5 = 67
72 + 9a = 67 + 8a

Solving
72 + 9a = 67 + 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 = 67 + 8a + -8a

Combine like terms: 9a + -8a = 1a
72 + 1a = 67 + 8a + -8a

Combine like terms: 8a + -8a = 0
72 + 1a = 67 + 0
72 + 1a = 67

Add '-72' to each side of the equation.
72 + -72 + 1a = 67 + -72

Combine like terms: 72 + -72 = 0
0 + 1a = 67 + -72
1a = 67 + -72

Combine like terms: 67 + -72 = -5
1a = -5

Divide each side by '1'.
a = -5

Simplifying
a = -5

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