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

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


Simplifying
4 + 2x + -1(a + 4x) = 9 + -2x
4 + 2x + (a * -1 + 4x * -1) = 9 + -2x
4 + 2x + (-1a + -4x) = 9 + -2x

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

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

Add '2x' to each side of the equation.
4 + -1a + -2x + 2x = 9 + -2x + 2x

Combine like terms: -2x + 2x = 0
4 + -1a + 0 = 9 + -2x + 2x
4 + -1a = 9 + -2x + 2x

Combine like terms: -2x + 2x = 0
4 + -1a = 9 + 0
4 + -1a = 9

Solving
4 + -1a = 9

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 + -4 + -1a = 9 + -4

Combine like terms: 4 + -4 = 0
0 + -1a = 9 + -4
-1a = 9 + -4

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

Divide each side by '-1'.
a = -5

Simplifying
a = -5

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