Question

Please help me out if you can!!

Answer 1

Answer:

x = 4°

Step-by-step explanation:

18x + 5 = 46 + (-1 + 8x)     theory of exterior angles of a triangle

18x + 5 = 46 - 1 + 8x

10x + 5 = 46 - 1

10x + 5 = 45

10x = 40

x = 4

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Answer 2

Answer:

18x+5=46+(-1+8x){Exterior Angle Property}

18x+5=46-1+8x

18x+5=45+8x

18x-8x=45-5

10x=40

x=4