tyneshiajones124
25.11.2020 •
Mathematics
Question 2
Solve by substitution.
2x – 10y = 14
2x + 6y = -2
Solved
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Ответ:
x= 2 and y= -1
Step-by-step explanation:
x=7 +5y
14+16y=−2
y=−1
Substitute y=-1y=−1 into x=7+5yx=7+5y.
x=2
Ответ:
a
Step-by-step explanation: