Math please help!!
posted by Melanie .
Solve the system using substitution.
y = 2x + 5
3y = x  5
I already got the answer, just wanna make sure it's correct. Please show work as well.

Rewrite your system:
y+2x=5
3y+x= 5
2x+y=5
x+3y= 5
In google type:
solve system substitution
When you see list of results click on:
SolverSOLVE linear system by SUBSTITUTION
When page be open in first roow type
2x+1y=5
In second roow type:
1x+3y= 5
and clic option Solve
You will see solution.
Respond to this Question
Similar Questions

Substitution MethodPlz help
Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=4 (y+2) + y = 4 solve for y. Then, x= y+2 i don't get it.How … 
Kim what about this one?Can you please help me wit
Thanks,what abou this one? Use the Substitution method to solve the system of equations. x + y = 10 y = x + 8 follow the same principle for the first one and u'll get it u already have y = x + 8 Subst. that in the first eqn and just 
math
Can someone please check my work? Solve using substitution method 1. 3x+2y=12 x=526y answer:40.8 I am pretty sure that one is wrong. Solve using elimination method 2. 2r7s=31 7r+2s=24 answer: (230/53,468/53) 3.3x+4y=3 6x+8y=6 
Algebra
Solve the system of equations using substitution. x + 4y = 5 3x  8y = 45 When I tried to solve it, I got x=17 and y=3. When I plugged these into the first equation, it didn't work out at all. Could someone please show me the steps … 
Algebra
Hi this question was already asked but there is still no correct answer. I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks The equation … 
Algebra 1
Okay. So I am completely lost with this... Any help would be great! 3. Solve the system using any method – graphing, substitution, or linear combination. Make sure to show your work. 2x + 5y= 8 x + 3y= 2 
Algebra help!
Please help and I would appreciate an explanation as to how you got to the answer. 1.) Solve the system by triangularizing the augmented matrix and using back substitution. 0.09x0.15y+0.39 0.18x+0.35y=0.88 2.) Solve the system by … 
Algebra multiple choice!
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is … 
Algebra Multiple choice revised!! HELP
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C 1. Solve the system by triangularizing the augmented matrix and using back substitution. If the system is … 
algebra HELP PLEEEEASE
Solve the following system using elimination or substitution. show your work. y = x^2  2x  6 y = 4x + 10 Please explain how to do this and the answer! THANKS!