3 years ago

Ill mark brainliest I just don't understand

Mathematics

1 answer:

Misha Larkins [42]3 years ago

3 0

Answer:

a triangle always equals 180 degrees so

63+ 2x+8 + x+7 =180

solve for x

and then plug it back into original equation

let me know if this makes sense

glad to help you more if needed

Step-by-step explanation:

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