please tell me the answer and i would be thankful if you show the steps too here it is: Make x the subject of the formula 4x +y = 18 and Given the formula v= u + 10t, When v= 60 and t = 4, what is the value of u?
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2
Answer:
1: 18-Y/4
2: U = 20
Step-by-step explanation:
NO. 1
4X + Y = 18
subtract Y from both sides
4X + Y - Y = 18 - Y
4X = 18 - Y
divide both sides by 4
4X/4 = 18 - Y/4
X = 18-Y/4
NO. 2
V = U + 10T
V=60, T=4
60 = U + 10(4)
60 = U + 40
U = 60 - 40
U = 20
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