3x+8-9x=-20

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Solution for 3x+8-9x=-20 equation:


Simplifying
3x + 8 + -9x = -20

Reorder the terms:
8 + 3x + -9x = -20

Combine like terms: 3x + -9x = -6x
8 + -6x = -20

Solving
8 + -6x = -20

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -6x = -20 + -8

Combine like terms: 8 + -8 = 0
0 + -6x = -20 + -8
-6x = -20 + -8

Combine like terms: -20 + -8 = -28
-6x = -28

Divide each side by '-6'.
x = 4.666666667

Simplifying
x = 4.666666667

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