28-09-2015
Mathematics

contestada

What is x in 3x+3= -2x-12

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antonio9990 antonio9990

28-09-2015

[tex]3x+3=-2x-12 \\ 3x+2x=-12-3 \\ 5x=-15 \\ x=-3 \\ \\ \text{The answer is x=-3 ;)}[/tex]

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leumitica leumitica

04-10-2015

[tex]3x+3=-2x-12 [/tex]
Add 2x
[tex]3x+3+2x=-12 [/tex]
[tex]5x+3=-12 [/tex]
Subtract 3
[tex]5x=-12-3 [/tex]
[tex]5x=-15 [/tex]
Divide by 5
[tex]x= \frac{-15}{5} [/tex]
[tex]x=-3[/tex]
The answer is: -3

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