x=29
There is always a total of 180 degrees in a triangle. Let’s represent this mathematically.
180=35+52+3(x+2)
We can subtract the 35 and the 52 from both sides.
93=3(x+2)
Now, distribute.
93=3x+6
And subtract the 6.
87=3x
Finally, divide both sides by 3.
29=x
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