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PrestonTB
28.01.2020 •
Mathematics
What is the value of the x variable in the solution to the following system of equations? .
2x − 3y = 3
5x − 4y = 4
a.) −1
b.) 0
c.) x can be any number as there are infinitely many solutions to this system
d.) there is no x value as there is no solution to this system
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Ответ:
5x - 4y = 4multiply by -3
8x - 12y = 12 (result of multiplying by 4)
-15x + 12y = -12 (result of multiplying by -3)
- 7x = 0
x = 0 <===
Ответ:
B
Step-by-step explanation:
We need to solve for
here.
Equation 1:![2x-3y=3](/tpl/images/0476/7653/5a7a6.png)
Equation 2:![5x-4y=4](/tpl/images/0476/7653/e3eec.png)
Solving for
in Equation 1 and substituting that into Equation 2 gives us:
Substituting this expression into Equation 2 and solving for
gives us:
Ответ:
32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480, 512, 544, 576, 608, 640, 672, 704, 736, 768, 800, 832, 864
27, 54, 81, 108, 135, 162, 189, 216, 243, 270, 297, 324, 351, 378, 405, 432, 459, 486, 513, 540, 567, 594, 621, 648, 675, 702, 729, 756, 783, 810, 837, 864
LCM of 32 and 27 is B. 864
Hope this helps. :)