Question

Please can u solve ir for me.​

Answer 1

Answer:

Step-by-step explanation:

x+y=180; y+z=180

145+z=180

z= 35

y=180-35

y =145

x=180-145

x= 35

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2x-10=x+80

x=90

3y-4 =y+20

2y = 24

y = 12