20-06-2018
Mathematics

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What is x equal to ?

What is x equal to class=

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choixongdong choixongdong

20-06-2018

Triangles are congruent
so
4x + 1 = 13
4x = 12
x = 3

In case you need to find y
2x + y = 8x - 2y
2(3) + y = 8(3) - 2y
6 + y = 24 - 2y
3y = 18
y = 6

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