Answer:
y = 47
Step-by-step explanation:
All of the angles in a triangle must add up to 180. The angle marked 3y can help us find the missing angle of the triangle: 180-3y
Then you can make an equation to help solve for y:
50 + (2y-3) + (180-3y) = 180
Combine like terms:
227-y=180
y = 47
Answer:
b=5
a=-3
Step-by-step explanation:
Answer:

Step-by-step explanation:
We first translate the statement into an equation:

Then we simplify:

Answer:
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Step-by-step explanation: sorry lol