(iv) 0.2x + 0.3y = 1.3
0.4x +0.5y = 2.3
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Answer:
y=3, x=2
Step-by-step explanation:
0.2x+0.3y = 1.3 X2
0.4 + 0.5y = 2.3 X1
0.4x+0.6y = 2.6
-0.4x - 0.5y = -2.3
0.6y-0.5y = 2.6 - 2.3 (0.4 gets cancelled)
0.1y = 0.3
y=3
to find X-
0.2x + 0.3*3 = 1.3
0.2x = 1.3-0.6
x= 0.4/0.2
x=2
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