4x-(3x+9)=y

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Solution for 4x-(3x+9)=y equation:


Simplifying
4x + -1(3x + 9) = y

Reorder the terms:
4x + -1(9 + 3x) = y
4x + (9 * -1 + 3x * -1) = y
4x + (-9 + -3x) = y

Reorder the terms:
-9 + 4x + -3x = y

Combine like terms: 4x + -3x = 1x
-9 + 1x = y

Solving
-9 + 1x = y

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 1x = 9 + y

Combine like terms: -9 + 9 = 0
0 + 1x = 9 + y
1x = 9 + y

Divide each side by '1'.
x = 9 + y

Simplifying
x = 9 + y

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