1 answer:
Answer:
x=−2, 7
or x= −6,7
Step-by-step explanation:
Let's solve your equation step-by-step.
|3x+4(x+1)|=2
|7x+4|=2
Solve Absolute Value.
|7x+4|=2
We know either7x+4=2or7x+4=−2
7x+4=2(Possibility 1)
7x+4−4=2−4(Subtract 4 from both sides)
7x=−2
7x
7
=
−2
7
(Divide both sides by 7)
x=
−2
7
7x+4=−2(Possibility 2)
7x+4−4=−2−4(Subtract 4 from both sides)
7x=−6
7x
7
=
−6
7
(Divide both sides by 7)
x=
−6
7
Answer:
x=
−2
7
or x=
−6
7
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The answer is
-15See the attached image for the steps on how I got that answer.
It's impossible. Supplements need to add up to 180 degrees, and in order to be obtuse, the angles would both need to be larger than 90 degrees.
