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atroni [7]
3 years ago
11

X+2y=-2 3x+4y=6 ????

Mathematics
2 answers:
Korvikt [17]3 years ago
6 0

Answer:

X+2y=-23x+4y=6

=(x,y)= (6/25, 72/25)

Neporo4naja [7]3 years ago
6 0
They both equal 0! To solve you move the variables to the right, then divide both sides then write in parametric form and solve to get 0! Also you should use PEMDAS
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4x – 1 = 7x – 16<br><br> Solve the problem <br> (Show your work)
Katarina [22]

Answer:

x = 5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

4x - 1 = 7x - 16

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 4x on both sides:                    -1 = 3x - 16
  2. Add 16 to both sides:                             15 = 3x
  3. Divide 3 on both sides:                          5 = x
  4. Rewrite:                                                   x = 5

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in <em>x</em>:                    4(5) - 1 = 7(5) - 16
  2. Multiply:                               20 - 1 = 35 - 16
  3. Subtract:                              19 = 19

Here we see that 19 does indeed equal 19.

∴ x = 5 is a solution to the equation.

6 0
3 years ago
Read 2 more answers
Only answer if you’re sure of it. FAST!!
Temka [501]
There are only 4 Kings in a standard deck of 52 poker cards, being the King of Spades, Clubs, Diamonds and Hearts. So the probability of drawing a king from the cards is 4/52 = 1/13.and it is the same for the ace so together they’d be 8/52 or 2/13.....hope that helps
3 0
3 years ago
Which of the following can be modeled with a linear function? Select all that apply.
elena-s [515]

Answer:

Step-by-step explanation:

THANK YOU

6 0
3 years ago
Lucia is making invisibility potions. Each potion requires 2 eyes of newt. How many invisibility potions can Lucia make with 16
____ [38]
Lucia can make 8 invisibility potions total!
she has 16 newt eyes overall and only two are required for one option
sooo
she can make 8 potions.

hope this helps!
4 0
3 years ago
5d + 2 (2-d)=3(1+d)+1
mariarad [96]

Answer:

0 = 0

Step-by-step explanation:

The input is an identity: it is true for all values.

7 0
3 years ago
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