Substitution and find plots

Algebra
Tutor: None Selected Time limit: 1 Day

Use the method of substitution to solve the system of linear equations

5a=4-b

5a=2-b

ordered pair, if any

Oct 3rd, 2015

Thank you for the opportunity to help you with your question!

 You find the value of one variable then you substitute on the second equation to find the missing variable you can start with any equation 

 5a+b=2

 find a 

 just a minute a slight problem .....................

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Sep 21st, 2015

 Equation i..............5a=4-b

b=(4-5a)

 substitute on the next equation

5a=2-b

5a=2-(4-5a)

5a+5a= 4-2

10a=2

a=1.5

b =3.5

(a,b) 1.5,3.5



Sep 21st, 2015

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