2.5(a-2)-6=9

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Solution for 2.5(a-2)-6=9 equation:


Simplifying
2.5(a + -2) + -6 = 9

Reorder the terms:
2.5(-2 + a) + -6 = 9
(-2 * 2.5 + a * 2.5) + -6 = 9
(-5 + 2.5a) + -6 = 9

Reorder the terms:
-5 + -6 + 2.5a = 9

Combine like terms: -5 + -6 = -11
-11 + 2.5a = 9

Solving
-11 + 2.5a = 9

Solving for variable 'a'.

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

Add '11' to each side of the equation.
-11 + 11 + 2.5a = 9 + 11

Combine like terms: -11 + 11 = 0
0 + 2.5a = 9 + 11
2.5a = 9 + 11

Combine like terms: 9 + 11 = 20
2.5a = 20

Divide each side by '2.5'.
a = 8

Simplifying
a = 8

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