mary9776
21.02.2020 •
Mathematics
Pls answer! I don’t know math at all
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Ответ:
The solutions of the system of equations are (–2, 4) or (–5, 1).
Solution:
Given equations are:
– – – – (1)
– – – – (2)
Equate the values of y.
Subtract 6 from both sides of the equation.
Subtract x from both sides of the equation.
Switch the sides.
Factor this polynomial, we get
x + 2 = 0 (or) x + 5 = 0
x = –2 (or) x = –5
Substitute x = –2 in equation (1),
y = –2 + 6
y = 4
Substitute x = –5 in equation (1),
y = –5 + 6
y = 1
The solutions of the system of equations are (–2, 4) or (–5, 1).
Ответ:
in 4 years, you will have $8,704.70
step-by-step explanation: