SOLUTION: Please Help me do these problems: 1. {{{1y=2x-5}}} {{{ 4x-y=7}}} 2. {{{2x-3y=12}}} {{{x=4y+1}}}

Algebra ->  Equations -> SOLUTION: Please Help me do these problems: 1. {{{1y=2x-5}}} {{{ 4x-y=7}}} 2. {{{2x-3y=12}}} {{{x=4y+1}}}       Log On


   

Question 1108296: Please Help me do these problems:
1. 1y=2x-5
+4x-y=7
2. 2x-3y=12
x=4y%2B1
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
1. 1y=2x-5
+4x-y=7
----------
2x-y+=+5
4x-y+=+7
------------------ Subtract
======================
2. 2x-3y=12
x=4y%2B1
---
2x-3y=12
2x-8y=+2 2nd eqn times 2
-------------------------------------- Subtract