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1 year ago

HELP ME SOLVEEEE !!!!!

Mathematics

2 answers:

Stels [109]1 year ago

7 0

Answer:

y=2

Step-by-step explanation:

y+7=9(y-1)

y+7=9y-9

y-9y=-9-7

-8y=-16

y=2

kykrilka [37]1 year ago

4 0

<h2>>> Answer </h2>

_________

$\:$

$\frac{1}{3} (y + 7) = 3(y - 1)$

$\frac{y + 7}3 = 3(y - 1)$

$y + 7 = 9(y - 1)$

$y + 7 = 9y - 9$

$y - 9y = - 9 - 7$

$- 8y = - 16$

y = 2✔

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Step-by-step explanation:

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_____

<em>Comments on the attached diagram</em>

In the attached diagram, "step 1" is to place the target vertex. You already have that as one end of segment C. The arcs numbered 2 and 3 in the diagram are the arcs resulting from executing steps 2 and 3 above. (They have arbitrary radius "r", which is the same everywhere.) You will have two sets, because you are copying two angles.

The arcs numbered 4 and 5 in the diagram have radius ST, the distance you set in step 4 above. That distance is used as the radius of arc 5, so the length VW will be the same as the length ST. The straightedge is used to draw a line through B and W, completing the copy of the angle.