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pav-90 [236]
3 years ago
5

What is the x-value of the solution to the system of equations?5x + 4y = 82x - 3y = 17​

Mathematics
1 answer:
katrin [286]3 years ago
7 0

Answer:

  x = 4

Step-by-step explanation:

You can eliminate the y-variables by adding 4 times the second equation to 3 times the first:

  3(5x +4y) +4(2x -3y) = 3(8) +4(17)

  15x +12y +8x -12y = 24 +68 . . . . eliminate parentheses

  23x = 92 . . . . . . . . . collect terms

  x = 92/23 = 4 . . . . . divide by 23

The x-value of the solution is 4.

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