3 years ago

I need help this!!!!!!!!!!!!!!plz

Mathematics

1 answer:

GenaCL600 [577]3 years ago

8 0

Answer:

x = 37

Step-by-step explanation:

i just check it with a protractor, if 37 is the answer then that means " (4x - 20) degrees" is 143.

143 + 37 = 180

i think the answer is probably x = 37

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