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Dracopaul03
Dracopaul03
18.01.2021 • 
Mathematics

A system of equations and its solution are given below. System A
I - y = 7
-31 + 9y = -39
Solution: (4,-3)
Complete the sentences to explain what steps were followed to obtain the system of equations below.
System B
+1 = y = 7
by = -18
To get system B, the
equation in system A was replaced by the sum of that equation and
equation. The solution to system B
the same as the solution to system A.
times the


A system of equations and its solution are given below. System A I - y = 7 -31 + 9y = -39 Solutio

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