Mathematics, 11.12.2019 04:31 taniyahbenyamin2
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a system of equations and its solution are given below.
system a
x-y=3
-2x+4y= -2
solution: (5,2)
complete the sentences to explain what steps were followed to obtain the system of equations below.
system b
x-y=3
2x=10
to get system b, the ? equation in system a was replaced by the sum of that equation and the ? equation multiplied by ? . the solution to system b ? the same as the solution to system a.
fill in the blank where the question marks are.
Answers: 1
Mathematics, 21.06.2019 14:40
3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6
Answers: 3
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a system of equations and its solution are...
a system of equations and its solution are...
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