RustlerVXL
RustlerVXL RustlerVXL
  • 30-05-2018
  • Mathematics
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What is the value of x in the solution to the following system of equations?

x − y = −3
x + 3y = 5

Answer for Blank 1:

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choixongdong
choixongdong choixongdong
  • 30-05-2018
x − y = −3
x + 3y = 5
-------------------subtract
-4y = - 8
   y = 2

substitute y = 2 into x − y = −3 to find x

x − y = −3
x − 2 = −3
x = -1

answer
x = -1 and y = 2 
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