Question

Sustitucion de 18-3x=9 ​

Answer 1

x=3

Explanation:

18-3x=9

-18 -18 Subtract 18 from both sides of the equation to leave 3x by itself.

3x=9

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3 3 Divide both sides by 3 to isolate x.

x=3 Final answer.

Answer 2

Answer: x=+9

Explanation:

18=3x-9 18-(3x-9)=0 3x+9+18=0 -3x+27=0

-3x=-27

x=-27/-3

x=+9

Hope this helps! :) Have a great day! ^-^