<span>-13950/1 there you go!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Answer:
X=-7
Step-by-step explanation:
X + 142=135°
X=135-142
X=-7
So the value of X is -7
Step-by-step explanation:

making m the subject first by dividing through by 4


from the question, given n = -1 ,0 ,1
so when n= -1


when n=0



when n=1


(5•4)-8 the answer is 12 because 5 times 4 is 20. Then 20 minus 8 is 12.