drea5385 drea5385

16-11-2018
Mathematics

contestada

Can anyone help me with these two i don’t know how to solve these plz

Can anyone help me with these two i dont know how to solve these plz class=

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clouclou05 clouclou05

16-11-2018

2x+x+90=180
3x+90=180 subtract 90 both sides
3x=90 divide by 3 both sides
x=30

x is congruent to 2y
2y=30 divide by 2 both sides
y= 15

z+30=180 subtract 30 both sides
z=150

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