Answer:
The range is -2,2,-4
Step-by-step explanation:
hope this helps
4x -8 = 34
4x = 42
x = 42/4 = 21/2 = 10.5
the answer is choice a.
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for the first one set 3y+y=180 and y+x=180
the second one set w+y=180, 42+x=180, y+20=180, and 87+v
