Find the value of x (6x+7)(8x-17)

and are both vertical angles; so, the value of x is 12.

Let the angles be A and B; such that:

By theorem of vertical angles

So, we have:

Collect like terms

Divide both sides by 2

Hence, the value of x is 12.

Read more about vertical angles at:

link

12

Step-by-step explanation:

Since the two angles are vertical angles, they are congruent and therefore 6x+7=8x-17

2x=24

x=12

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x= 149. 24+7=31. 180-31=149

your welcome

answer: '

the distance between points l and m

step-by-step explanation: