SOLUTION: system of equations
10x+20y=50
-15x+20y=50
Algebra.Com
Question 267033: system of equations
10x+20y=50
-15x+20y=50
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
here is the system
(i)
(ii)
step 1 - multiply (i) by (-1) to get
(iii)
step 2 - add (ii) and (iii) to get
(iv)
step 3 - divide to get
(v)
step 4 - find y and we get
(v)
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