Math, asked by tahirnasir74, 10 months ago

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?

Answers

Answered by tjessyj
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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