Step-by-step explanation:
You need to find the n( A n B ) and then continue the process, if you have any question revert back to me...
The triangle is always 180 degrees
6x + 8x + 7 + 8x - 3 = 180
Simplify
22x + 4 = 180
Minus 4 from both sides
22x = 176
Divide 22 by both sides
X = 8
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