astarkey14
20.11.2019 •
Mathematics
Solve the system of linear equations by elimination. check your solution.
3x - 17 = 2y
5y = -4x - 8
Solved
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Ответ:
x=3, y=-4. (3, -4).
Step-by-step explanation:
3x-17=2y
5y=-4x-8
3x-2y=17
-4x-5y=8
4(3x-2y)=4(17)
3(-4x-5y)=3(8)
12x-8y=68
-12x-15y=24
-23y=92
y=92/-23
y=-4
3x-17=2(-4)
3x-17=-8
3x=-8+17
3x=9
x=9/3
x=3
Ответ:
Hey big boy coke daddy
Step-by-step explanation: