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irina1246 [14]
3 years ago
5

Solve the system of equations. \begin{aligned} & -3x+2y = 56 \\\\ & -5x-2y = 24 \end{aligned} ​ −3x+2y=56 −5x−2y=24 ​

Mathematics
2 answers:
ElenaW [278]3 years ago
6 0

Answer:

x = -10 and y = 13

Step-by-step explanation:

let s solve the following

(1) -3x+2y=56

(2) -5x-2y=24

Let's do (1) + (2), it comes

-3x+2y-5x-2y=56+24=80

<=>

-8x=80

<=>

x = -80/8=-10

so x = -10 and from (1) we can write that

-3*(-10)+2y=56

<=>

2y = 56-30=26

<=>

y=26/2=13

so, y = 13

astra-53 [7]3 years ago
3 0

Answer:

x = -10

y = 13

Step-by-step explanation:

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