Answer:
File will help, im sure
Step-by-step explanation:
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<em><u>-Lil G</u></em>
35 + 52 + 3(x + 2) = 180
87 + 3x + 6 = 180 ( add the like terms and use distributive property)
93 + 3x = 180
-93 -93
3x = 87
÷3 ÷3
x = 29
( the sum of all triangle angles is 180)
I think it would be a im not sure
The answer is 15
Since 20 times 7 is 140 and 140+75 is 215
Take 215-200 you get 15