\begin{aligned} & 2x+7y = 3 \\\\ & x=-4y \end{aligned}
1 answer:
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Answer:
x = 14
Step-by-step explanation:
Assume your diagram is like the one below.
The intersecting secant angles theorem states, "When two secants intersect outside a circle, the measure of the angle formed is one-half the difference between the far and the near arcs."
For your diagram, that means
Check:
It checks.
