Solve for x.

5(x – 10) = 30 – 15x

x = 1
x = 4
x = 5
x = 8

X=4

Step-by-step explanation:

Do the the distributive property & you get 5x-50=30-15x. Then, subtract 5x on both sides giving you the equation, -50=30-20x. Now, you’ll subtract 30 on both sides leaving you with, -80=(-20x). Finally, you’ll divide by -20 on both sides. You get x=4.

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answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq