9x-(3x+4)=4x-42

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Solution for 9x-(3x+4)=4x-42 equation:


Simplifying
9x + -1(3x + 4) = 4x + -42

Reorder the terms:
9x + -1(4 + 3x) = 4x + -42
9x + (4 * -1 + 3x * -1) = 4x + -42
9x + (-4 + -3x) = 4x + -42

Reorder the terms:
-4 + 9x + -3x = 4x + -42

Combine like terms: 9x + -3x = 6x
-4 + 6x = 4x + -42

Reorder the terms:
-4 + 6x = -42 + 4x

Solving
-4 + 6x = -42 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-4 + 6x + -4x = -42 + 4x + -4x

Combine like terms: 6x + -4x = 2x
-4 + 2x = -42 + 4x + -4x

Combine like terms: 4x + -4x = 0
-4 + 2x = -42 + 0
-4 + 2x = -42

Add '4' to each side of the equation.
-4 + 4 + 2x = -42 + 4

Combine like terms: -4 + 4 = 0
0 + 2x = -42 + 4
2x = -42 + 4

Combine like terms: -42 + 4 = -38
2x = -38

Divide each side by '2'.
x = -19

Simplifying
x = -19

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