Answer: r = - 20
Step-by-step explanation:
The measures of the angles of a triangle are shown in the figure below. Solve for x.
1 answer:
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Question:
Solution:
The solution to a system of linear equations is where the graphs of each linear equation intersect. In this case, we can see that the lines intersect at the point:
(-3,2)
thus, the correct answer is (-3,2).
