a+9=8[a-(a-2)]

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Solution for a+9=8[a-(a-2)] equation:


Simplifying
a + 9 = 8[a + -1(a + -2)]

Reorder the terms:
9 + a = 8[a + -1(a + -2)]

Reorder the terms:
9 + a = 8[a + -1(-2 + a)]
9 + a = 8[a + (-2 * -1 + a * -1)]
9 + a = 8[a + (2 + -1a)]

Reorder the terms:
9 + a = 8[2 + a + -1a]

Combine like terms: a + -1a = 0
9 + a = 8[2 + 0]
9 + a = 8[2]

Multiply 8 * 2
9 + a = 16

Solving
9 + a = 16

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + a = 16 + -9

Combine like terms: 9 + -9 = 0
0 + a = 16 + -9
a = 16 + -9

Combine like terms: 16 + -9 = 7
a = 7

Simplifying
a = 7

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