SOLUTION: ok i need help with this problem:
1x+2y=2
-4x+3y=25
using the elimination process
Algebra.Com
Question 64719: ok i need help with this problem:
1x+2y=2
-4x+3y=25
using the elimination process
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
-4X+3Y=25 NOW MULTIPLY THE OTHER EQUATION BY 4 WE GET
4X+8Y=8 NOW ADD
--------------------------------------
11Y=33
Y=33/11
Y=3 SOLUTION
SUBSTITUTING 3 FOR Y WE GET
4X+8*3=8
4X+24=8
4X=-24+8
4X=-16
X=-16/4
X=-4 SOLUTION
PROOF
-4*-4+3*3=25
16+9=25
25=25
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