llx + 13y = 61
13x + 11y = 59
by Double Elimination Method
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Step-by-step explanation:
eq¹+eq²
11x+13y=61
+
13x+11y=59
:24x+24y=120
x+y=5 (3)
eq¹-eq²
11x+13y=61
-13x-11y=59
:-2x+2y=2
-x+y=1 (4)
eq³+eq⁴
x+y=5
+
-x+y=1
:2y=6
y=3
put y=3 in eq (4)
-x+y=1
-x+3=1
-x=1-3
-x=-2
x=2
(x:y)=(2:3)
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