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Debora [2.8K]
2 years ago
8

Y = 6x 1. Solve: 4x + y = 7

Mathematics
2 answers:
Fynjy0 [20]2 years ago
7 0
Since y = 6x:

4x + y = 4x + 6x = 10x

Final answer is 10x.
Montano1993 [528]2 years ago
6 0
If y=6x then it would be 4x+6x=7, add them and you get 10x=7. Divide both by 10 and you get x=7/10
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Sarita showed the steps to solving the equation.
shtirl [24]

The option that explains Sarita's mistake is Sarita’s solution is correct. She made an error in her verification.

<h3>What was Sarita's mistake?</h3>

The given equation is: 5(x - 3) + 7(x + 4) = 73

In order to determine the value of x, take the following steps:

1. Apply the Distributive property:

5x - 15 + 7x + 28 = 73

2. Add similar terms together:

12x  + 13 = 73

3. Combine similar terms:

12x = 73 - 13

4. Add similar terms

12x = 60

5. Divide both sides of the equation by 12

x = 60 / 12

x = 5

In order to verify the answer, substitute for x in the given equation :

5(5 - 3) + 7(5 + 4) = 73

5(2) + 7(9) = 73

10 + 63 = 73

73 = 73

Please find attached the complete question. To learn more about equations, please check: brainly.com/question/14446120

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6 0
1 year ago
6th grade math help me pleaseeee
Step2247 [10]

Answer:

5

Step-by-step explanation:

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3 0
2 years ago
How many digits are in the product of 91 and 10^17<br> please explain. Thanks.
LenKa [72]
It should be 19 because originally, it would be 910, but then add 16 more 0's, and 16 + 3 = 19 (and the three is from here -------^)!
Check this out ->:https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=91*10%5E17
and https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#safe=strict&q=91000000000...
They equal.
7 0
3 years ago
Z<br> 1<br> t<br> = [?]√<br> X<br> = Z<br> 16
LiRa [457]

Answer: 8\sqrt{5}

Step-by-step explanation:

By the geometric mean theorem,

\frac{y}{16}=\frac{4}{y}\\\\y^{2}=64\\\\y=8

So, by the Pythagorean theorem,

8^2 + 16^2 = x^2\\\\320=x^2\\\\x=\boxed{8\sqrt{5}}

3 0
1 year ago
I really need the answer for this
lukranit [14]

Answer:

qwwertyuiop

Step-by-step explanation:

5 0
2 years ago
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