bosslady5253 bosslady5253

14-03-2018
Mathematics

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what is the value of y?/ w rite an equation to help you solve for ×

what is the value of y w rite an equation to help you solve for class=

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choixongdong choixongdong

14-03-2018

part A)
vertical angles are equal so

3x - 8 = 2x+12
x = 20
3(20) - 8 = 60 - 8 = 52

part B)
straight angle = 180
so
52 + y = 180
y = 180 - 52
y = 128

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