$\bf 3|x|+7=28\implies 3|x|=21\implies |x|=\cfrac{21}{3}\implies |x|=7\implies \begin{cases} +(x)=7\\ -(x)=7 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ +(x)=7\implies \boxed{x=7}~\hfill -x=7\implies \boxed{x=-7}$

7 0

3 years ago

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Which of the following expressions are equivalent to 3V 2 ? Select all that apply.

allsm [11]

Answer: A C and D

Step-by-step explanation:

3 0

2 years ago

Help me it’s so hard

romanna [79]

2500kg/m^3.............

3 0

3 years ago

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206 is what percent of 618

luda_lava [24]

33.33%

Do 206/618 which is 0.3333333..

Move the decimal two places to the right.

7 0

2 years ago

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Divide using synthetic division (x^2 +9)÷(x-3) =​

Divide using synthetic division (x^2 +9)÷(x-3) =