The question and the numbers for the equation are confusing ::
2 answers:
I'm assuming you mean problem 12? If so, the picture is cut off.
Maybe x=180-(4x-15)
Because straight line is 180.
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Option A
x+8=-3
x+8-8=-3-8
x=-11
Hope I didn't mess up for your sake!
AB∥CD and m∠4=85°.
so
<1 = 180° - 85°
<1 = 95°
Because AB∥CD so <5 = <1 = 95° (corresponding angles are equal)
Answer
<5 = 95°
it's a simple addition:
22b + 3b =
25b
The answer is:
(1,4) into (5,2)
(3,1) into (7,-1)
(1,1) into (5,-1)
152.6315 is because If you dived 870 by 5.7 it will be that.