Question

step by step solution please​

Answer 1

Step-by-step explanation:

sum of traingle=180

90+4y+3y+6=180 check

90+7y+6=180 90+4(12)+3(12)+6=180

7y=180-96 90+48+36+6=180

7y=84 180=180

y= 84/7

y=12

x=?

90+x-6+x=180 check

90+2x-6=180 90+48-6+48=108

84+2x=180 90+42+28=180

2x=180-84 180=180

x=96/2

x=48

Answer 2

Answer:

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