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02-02-2017
Mathematics

contestada

Solve for x.

6 – 2x – x = 18

A.
–24

B.
–12

C.
–8

D.
–4

Respuesta :

12-10-2017

6−2x−x=18

Simplify both sides of the equation.

6−2x−x=18

6+−2x+−x=18

(−2x+−x)+(6)=18

−3x+6=18

−3x+6=18

Subtract 6 from both sides.

−3x+6−6=18−6

−3x=12

Divide both sides by -3.

−3x/−3 = 12/−3

x=−4

Answer:

x = −4

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