109000=2a+a+(a-15000)

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Solution for 109000=2a+a+(a-15000) equation:


Simplifying
109000 = 2a + a + (a + -15000)

Reorder the terms:
109000 = 2a + a + (-15000 + a)

Remove parenthesis around (-15000 + a)
109000 = 2a + a + -15000 + a

Reorder the terms:
109000 = -15000 + 2a + a + a

Combine like terms: 2a + a = 3a
109000 = -15000 + 3a + a

Combine like terms: 3a + a = 4a
109000 = -15000 + 4a

Solving
109000 = -15000 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
109000 + -4a = -15000 + 4a + -4a

Combine like terms: 4a + -4a = 0
109000 + -4a = -15000 + 0
109000 + -4a = -15000

Add '-109000' to each side of the equation.
109000 + -109000 + -4a = -15000 + -109000

Combine like terms: 109000 + -109000 = 0
0 + -4a = -15000 + -109000
-4a = -15000 + -109000

Combine like terms: -15000 + -109000 = -124000
-4a = -124000

Divide each side by '-4'.
a = 31000

Simplifying
a = 31000

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