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tpsavage9755
07.10.2019 •
Mathematics
The solution to 5 x1 will be what kind of number
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Ответ:
Ответ:
answer: it will be an odd number
step-by-step explanation: because 5 times 1 = 5. hope you have a great day : )
Ответ:
x = 1, y = -5
Step-by-step explanation:
2x + 5y = (-23) (1)
5x + 13y = (-60) (2)
Multiply (1) by 5 and (2) by 2 to eliminate x
10x + 25y = -115 (3)
10x + 26y = -120 (4)
Subtract (3) from (4)
26y - 25y = -120 - (-115)
y = -120 + 115
y = -5
Substitute y = -5 into (1)
2x + 5y = (-23)
2x + 5(-5) = -23
2x - 25 = -23
2x = -23 + 25
2x = 2
x = 2/2
x = 1
x = 1, y = -5