Answer:
13
Step-by-step explanation:
6 + 7 = 13
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Y=3x+19
You add 3x to each side. Because your trying to get y by its self like y=mx+b.
Answer:
x = 20
Step-by-step explanation:
The 3 arcs UV, VW, WX form a semicircle, so sum to 180° , that is
4x + 2 + x + 78 = 180
5x + 80 = 180 ( subtract 80 from both sides )
5x = 100 ( divide both sides by 5 )
x = 20
