2 years ago

Solve for x. -1/3(4x+2)=1/3(x+11)

Mathematics

1 answer:

sineoko [7]2 years ago

6 0

Answer:

X= -13/5

Step-by-step explanation:

i hope this helps :)

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2 years ago

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2 years ago

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frutty [35]

$x+y=25 \\ y=25-x~~Other~number~in~terms~of~x \\ \\ x^2+y^2=313 \\ x^2+2xy+y^2=313+2xy \\ (x+y)^2=313+2x(25-x) \\ \frac{25^2-313}{2} =25x-x^2 \\ x^2-25x+156 \\ \\ \Delta =(-25)^2-4\times 1\times 156 \\ \Delta =625-624 \\ \sqrt{\Delta}=1 \\ \\ x= \frac{25 \pm 1}{2} \\ x= \left \{ {{x_1=13} \atop {x_2=12}} \right.$

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Step-by-step explanation:

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