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4 years ago

Solve for 16 – 2t = t +9

Mathematics

2 answers:

Anon25 [30]4 years ago

7 0

16 - 2t = t + 9
t = 7/3

amm18124 years ago

6 0

Step-by-step explanation:

16-2t-16=5t+9-16 (Subtract 16 from both sides.) 9-16 (Solve.) -2t-5t=5t-7-5t (Subtract 5t from both sides.) -2t-5t (Solve.)

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8[x-y] use x=5 and y=2

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Answer:

Step-by-step explanation:

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3 years ago

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Determine the equivalent system for the given system of equations.<br> 4x - 5y = 2<br> 3x - y = 8

Black_prince [1.1K]

Solving the system of equations we get solution set (38/11,26/11)

Step-by-step explanation:

We need to solve the system of equations:

$4x - 5y = 2\\3x - y = 8$

Let:

$4x - 5y = 2\,\,\,eq(1)\\3x - y = 8\,\,\,eq(2)$

Multiply equation 2 with 5 and subtract both equations to find value of x:

$4x - 5y = 2\\15x - 5y = 40\\-\,\,\,\,+\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,-\\--------\\-11x=-38\\x=\frac{-38}{-11}\\x=\frac{38}{11}$

So, value of x = 38/11

Now, finding y:

Putting value of x in equation 2

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So, value of y = 26/11

So, Solving the system of equations we get solution set (38/11,26/11)

Keywords: System of equations

Learn more about system of equations at:

#learnwithBrainly

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