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OpenStudy (handymani):
Solve the following system of linear equations by substitution. x + 3y = 5 4x + 5y = 13
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OpenStudy (will.h):
Oh they already said substitution. So okay We will have to set one of the equations with one variable isolated on one side
OpenStudy (will.h):
Can you do this?
OpenStudy (seratul):
x + 3y = 5 can be written as x = 5 + 3y Try substituting x in the next equation for 5 + 3y. 4(5 + 3y)+ 5y = 13
OpenStudy (will.h):
Agreed. And then simplify
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