3x+-2*4x=20

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Solution for 3x+-2*4x=20 equation: 


Simplifying
3x + -2 * 4x = 20

Multiply -2 * 4
3x + -8x = 20

Combine like terms: 3x + -8x = -5x
-5x = 20

Solving
-5x = 20

Solving for variable 'x'.

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

Divide each side by '-5'.
x = -4

Simplifying
x = -4

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