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katen-ka-za [31]
4 years ago
7

What is the answer to 4(y-1)-1=2(2y-3)

Mathematics
1 answer:
Ostrovityanka [42]4 years ago
3 0
    4(y - 1) - 1 = 2(2y - 3)
4(y) - 4(1) - 1 = 2(2y) - 2(3)
       4y - 4 - 1 = 4y - 6
            4y - 5 = 4y - 6
          - 4y       - 4y
                  -5 ≠ -6
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Bruce is solving a system of equations.
Valentin [98]

Answer:

Option 3,4,5 are correct.

Step-by-step explanation:

The system of equations are:

3x+5y=9\,\,\,\,(1)\\x-y=-5\,\,\,\,(2)

Multiply equation (2) with -3 and add with equation (1)

3x+5y=9\\-3x+3y=15\\-------\\8y=24\\y= 24/8\\y=3

Value of y is 3

Putting value of y in eq(2)

x-y=-5\\x-3=-5\\x=-5+3\\x=-2

Value of x is -2

So, Option 3,4,5 are correct.

Keywords: System of Equations

Learn more about System of Equations at:

  • brainly.com/question/13168205
  • brainly.com/question/2115716
  • brainly.com/question/3739260

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Answer

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3 years ago
Find the sum of the polynomials. (3x3 + 4x2 - 2x + 1) + (x4 - x3 + 5x2 + 2x + 3) A. x4 + 2x3 + 9x2 - 4x + 4 B. x4 + 4x3 + 9x2 +
alisha [4.7K]
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4 years ago
10x +9 − x=12<br><br> Solve for X, What does X=?
marishachu [46]

Answer:

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Exact form

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Decimal form

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Hope this helps! :)

6 0
4 years ago
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Natasha_Volkova [10]

Answer:

-7 is your answer

Step-by-step explanation:

Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other.

4 + y = -3

Subtract 4 from both sides

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y = -7

-7, or (D) is your answer

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6 0
4 years ago
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