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

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 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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