3x-9x=620-3x+4x

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Solution for 3x-9x=620-3x+4x equation:


Simplifying
3x + -9x = 620 + -3x + 4x

Combine like terms: 3x + -9x = -6x
-6x = 620 + -3x + 4x

Combine like terms: -3x + 4x = 1x
-6x = 620 + 1x

Solving
-6x = 620 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-6x + -1x = 620 + 1x + -1x

Combine like terms: -6x + -1x = -7x
-7x = 620 + 1x + -1x

Combine like terms: 1x + -1x = 0
-7x = 620 + 0
-7x = 620

Divide each side by '-7'.
x = -88.57142857

Simplifying
x = -88.57142857

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