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Solnce55 [7]
3 years ago
9

4x – 9y = 7 –2x 3y = 4 what number would you multiply the second equation by in order to eliminate the x-terms when adding to th

e first equation? what number would you multiply the second equation by in order to eliminate the y-terms when adding to the first equation?
Mathematics
2 answers:
steposvetlana [31]3 years ago
8 0
Multiply equation II by 2 and then add up the equations.
Alchen [17]3 years ago
7 0

Answer:

What number would you multiply the second equation by in order to eliminate the x-terms when adding to the first equation? answer 2

What number would you multiply the second equation by in order to eliminate the y-terms when adding to the first equation? answer 3

Step-by-step explanation:

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Y = −3x <br> x + y = −4<br> Solution system
Verizon [17]

Answer:

Step-by-step explanation:

Y = - 3x. Equation 1

x + y = - 4 equation 2

Putting value of y

x + (-3x) = - 4

x - 3x = - 4

-2x = - 4

x = - 4/-2 = 2

Putting value of x in the equation 1

Y = - 3(2)

Y = - 6

7 0
3 years ago
Simplify 5(5t+6)+2 (2t-3)
yan [13]

Answer:

29t + 24

Step-by-step explanation:

5(5t + 6) + 2(2t - 3)

Open Parentheses first.

5* 5t = 25t

5 * 6 = 30

25t + 30 + 2(2t - 3)

Open others

2 * 2t = 4t

2 * 3 = 6

25t + 30 + 4t - 6

Match like terms

29t + 24

8 0
3 years ago
-10w + 12 = -9w + 13<br> What value of w makes the equation true?
nika2105 [10]
W=-15 I hope this helped.
6 0
3 years ago
Identify the factors of x2 + 16y2.
BabaBlast [244]

The way to find the factores is by seeking the polonomial's roots, or zeros!

To find the roots, we set the polinomial equation to zero:

x^2+16y^2=0

Then we solve this equation:

x^2=-16y^2

This is only true, if x=y=0.

3 0
3 years ago
Read 2 more answers
Please help me solve this problem
olga2289 [7]
1,025. Multiply 55 by 15, then add the $200 fee. I hope this helps :)
7 0
2 years ago
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