Kennedy1212 Kennedy1212

29-06-2017
Mathematics

contestada

What is the solution for the following system of equations?

5x + 7y = 3

2x + 3y = 1

Respuesta :

wolf1728 wolf1728

03-07-2017

A) 5x + 7y = 3
B) 2x + 3y = 1

Multiplying Equation B by -2.5
B) -5x -7.5y = -2.5 Then adding this to Equation A)
A) 5x + 7y = 3

-.5y = .5
y = -1

Since
2x + 3y = 1 then
2x -3 = 1
then x = 2

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