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caitie3
You want to solve for x so add 18 from both sides of the equal sign. making it 3x=12. then divide both sides by 3 making x=4. x is 4.
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Marietta129
[tex]-18+3x=-6[/tex]

Add 18 to both sides:
[tex]-18 +3x +18=-6+18 [/tex]

[tex]3x=12[/tex]

Divide both sides by 3:
[tex] \frac{3x}{3} = \frac{12}{3} [/tex]

[tex]x=4[/tex]

Therefore, x=4