1.

Find three different solutions of equations : 10x + 11y = 21

Answer»

Given equation is 10x + 11y = 21

Choice of  value of x Or ySimplification for y or xSolution
x = 010(0) + 11y = 21
⇒ y = 21/11
(0,21/11)
y = 010x +11(0) = 21
⇒ x = 21/10
(21/11, 0)
x = 110(1) + 11y = 21
⇒ 11y = 21 – 10
⇒ y = 11/11 = 1
(1,1)


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