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Solve for x.
8x + 13
12x +7>>


Solve For X 8x 13 12x 7gtgt class=

Sagot :

msm555

Answer:

Solution given:

8x+13+12x+7=180°[exterior angle's sum is supplementary]

20x=180°-20

x=160°/20°

x=8° is your answer.