Let that be x
ATQ

Arrange accordingly to work backwards(Every thing is reversed)




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Answer:
x = 62
Step-by-step explanation:
x and 118 form a linear pair (added up, they both equal 180 degrees)
So, 180-118 = 62 which is the measurement of x
LM = LN
3x - 2 = 2x + 1
x = 3
LM = LN = 7
MN = 5x - 2 = 13
Again take the variable to be x
x^12-15