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Can someone help me with one of these :>

Can someone help me with one of these :>-example-1
User Tbekolay
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1 Answer

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13) 180 degrees = 130 degrees + 3x + 2x
180 degrees = 130 degrees + 5x
subtract 130 from both sides to isolate the 5x
50 degrees = 5x
divide both sides by 5 to isolate the x
10 degrees = x
3(10) = 30 degrees
A = 30 degrees
User MediumOne
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