3+4a+2-(a+3)=9

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Solution for 3+4a+2-(a+3)=9 equation:


Simplifying
3 + 4a + 2 + -1(a + 3) = 9

Reorder the terms:
3 + 4a + 2 + -1(3 + a) = 9
3 + 4a + 2 + (3 * -1 + a * -1) = 9
3 + 4a + 2 + (-3 + -1a) = 9

Reorder the terms:
3 + 2 + -3 + 4a + -1a = 9

Combine like terms: 3 + 2 = 5
5 + -3 + 4a + -1a = 9

Combine like terms: 5 + -3 = 2
2 + 4a + -1a = 9

Combine like terms: 4a + -1a = 3a
2 + 3a = 9

Solving
2 + 3a = 9

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 3a = 9 + -2

Combine like terms: 2 + -2 = 0
0 + 3a = 9 + -2
3a = 9 + -2

Combine like terms: 9 + -2 = 7
3a = 7

Divide each side by '3'.
a = 2.333333333

Simplifying
a = 2.333333333

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