SOLUTION: how do you solve each system of simultaneous equations by using the substitution method. x+y=3 3x+2y=9

SOLUTION: how do you solve each system of simultaneous equations by using the substitution method. x+y=3 3x+2y=9

Algebra.Com

Question 351828: how do you solve each system of simultaneous equations by using the substitution method.
x+y=3
3x+2y=9
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
From eq. 1,

Substitute into eq. 2,

Then from eq. 1,

RELATED QUESTIONS
how do you solve each system of simultaneous equations by using the substitution method? (answered by Fombitz)

solve each system of equations by using the substitution method. {3x + 4y = 18 { (answered by Edwin McCravy)

Solve the system of linear equations using the Substitution Method. x+2y=3... (answered by haileytucki)

Can you show me how to solve this system of equations: y=3x (answered by jim_thompson5910)

solve each system of equations by the substitution method -3x+y=7... (answered by waynest)

what is the system of simultaneous equations by using the substitution method?... (answered by jim_thompson5910)

what is the system of simultaneous equations by using the substitution method? (answered by sofiyac)

what is the system of simultaneous equations by using the substitution method?... (answered by sofiyac)

Solve this pair of simultaneous equations by substitution method: y - 3x + 1 = 0 3x +... (answered by LinnW)