3x+a+9+x-2x-5=

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


Simplifying
3x + a + 9 + x + -2x + -5 = 0

Reorder the terms:
9 + -5 + a + 3x + x + -2x = 0

Combine like terms: 9 + -5 = 4
4 + a + 3x + x + -2x = 0

Combine like terms: 3x + x = 4x
4 + a + 4x + -2x = 0

Combine like terms: 4x + -2x = 2x
4 + a + 2x = 0

Solving
4 + a + 2x = 0

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + a + -4 + 2x = 0 + -4

Reorder the terms:
4 + -4 + a + 2x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + a + 2x = 0 + -4
a + 2x = 0 + -4

Combine like terms: 0 + -4 = -4
a + 2x = -4

Add '-2x' to each side of the equation.
a + 2x + -2x = -4 + -2x

Combine like terms: 2x + -2x = 0
a + 0 = -4 + -2x
a = -4 + -2x

Simplifying
a = -4 + -2x

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