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3 years ago

Y=2x +1 x=3. how do I find the Y in each equation

2 answers:

8 0

Since we already have X, I'm guessing all the question asks you to do is plug it in and solve it to get a Y= equation

If I'm right, then the process is

Y=2(3)+1 (putting 3 in place of x)

Y=6+1

Y=7

Which makes 7 your answer

Masja [62]3 years ago

3 0

Sub 3 for x
y=2(3)+1
y=6+1
y=7

y=7 when x=3

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X/9 = 9/27 please solve this for me

mars1129 [50]

Answer:

x=3

Step-by-step explanation:

This is a proportional equation:

Given: x/9=9/27

Cross-multiply: 27x=81

Divide: x=3

So x=3

6 0

2 years ago

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QUADRATIC FORMULA SIMPLIFIED PLZ HELP

olga2289 [7]

Answer:

3x² + 5x + 1 = 0 simplified

x = (-5 ± $\sqrt{13}$ )/6 roots

Step-by-step explanation:

Given quadratic formula

3x² + 5x - 5 = - 6

Standard form

ax² + bx + c = 0

Simplifying

3x² + 5x - 5 + 6 = 0
3x² + 5x + 1 = 0

Solving

x = (-5 ± $\sqrt{5^2 -4*3*1}$ )/(2*3)
x = (-5 ± $\sqrt{13}$ )/6

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2 years ago

Define the term net income .. according to the given context

Pachacha [2.7K]

ANSWER: the amount an individual earns after subtracting all expenses, taxes and costs.

4 0

3 years ago

I dont need answers just an explaination how to solve these will give brailiest

ohaa [14]

Step-by-step explanation:

first you have to take all similar variable on the same side of the equation and the constants on the other side then solve the question .

example : -12x + 9 = -15x

-12x +15x = -9

3 x = -3

X = -3/3= -1

x = -1

like this you can solve all the other equation ..

Hope this will be helpful to you ..

plz mark my answer as brainlist if you find it useful..

5 0

3 years ago

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How to cross multiply 9/12 =x/100?

Ilia_Sergeevich [38]

The answer is 75. 1. You simplify which is 3/4
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2 years ago