1.

Solve for x and y 1.5x + 0.1y =6.2 and 3x - 0.4y=11.2

Answer»

Given 1.5x + 0.1y = 6.2
3x - 0.4y = 11.2
Multiplying 2 in EQN 1
3x + 0.2y = 12.4
3x - 0.4y = 11.2
Subtracting both
we get 0.6y = 1.2 => y = 1.2/0.6 = 2
and putting y in eqn 1 we get 1.5x = 6.2 - 0.2
1.5x = 6 => X = 4 So solution of your question is x = 4 and y = 2



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