5+2(a-3)=9

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Solution for 5+2(a-3)=9 equation:


Simplifying
5 + 2(a + -3) = 9

Reorder the terms:
5 + 2(-3 + a) = 9
5 + (-3 * 2 + a * 2) = 9
5 + (-6 + 2a) = 9

Combine like terms: 5 + -6 = -1
-1 + 2a = 9

Solving
-1 + 2a = 9

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 2a = 9 + 1

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

Combine like terms: 9 + 1 = 10
2a = 10

Divide each side by '2'.
a = 5

Simplifying
a = 5

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