3 years ago

Find x. Find x. Find x. find x. find x. find x

Mathematics

2 answers:

joja [24]3 years ago

8 0

Answer:

x = 5

Step-by-step explanation:

The sum of two interior angles in a triangle is equal to an exterior angle that's supplementary to the third interior angle

Therefore m<A + m<B = m<C

13x - 11 + 4x + 1 = 18x - 15 add like terms

17x - 10 = 18x - 15

15 - 10 = 18x - 17x

5 = x

Andre45 [30]3 years ago

5 0

Answer:

x = 5

Step-by-step explanation:

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