Question

write four solution of x-2y is equal 4or not
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Answer 1

Step-by-step explanation:

if x= 8

and y= 2

then substitute in equation

then you will get 4

Answer 2

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Find four solutions of the equation x - 2y .

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Given equation $\mapsto\:x\:-\:2y\:=\:0$

$\mapsto\:Let\:x\:be\:2\:now\:value\:of\:y$

$\mapsto\:2\:-\:2y\:=\:0$

$\mapsto\:-\:2y\:=\:-\:2$

$\mapsto\:y\:=\:\dfrac{2}{2}$

$Value\:of\:x\:and\:y\:is\:2\:and\:1$

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Now if the value of y = 8 then ,

$\hookrightarrow\:x\:-\:2(8)\:=\:0$

$\hookrightarrow\:x\:-\:16\:=\:0$

$\hookrightarrow\:x\:=\:16$

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Let the value of x be 12 then value of y is ,

$\leadsto\:12\:-\:2y\:=\:0$

$\leadsto\:-\:2y\:=\:-\:12$

$\leadsto\:y\:=\:\dfrac{12}{2}$

$\leadsto\:y\:=\:6$

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Let the value of x be 4 then the value of y is ,

$\implies\:4\:-\:2y\:=\:0$

$\implies\:-\:2y\:=\:4$

$\implies\:y\:=\:\dfrac{4}{2}$

$\implies\:y\:=\:2$

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$\huge\sf\orange{Extra\: details}$

A linear equation is a mathematical statement that has both sides equal that is LHS is equal to RHS and gives a straight line when plotted in a graph .Constants are numbers that have a fixed value . Variables are the terms whose value is unknown . Their value is not fixed while solving linear equations often will at their value as alphabets . Generally they are x , y and z .When the number of equations is the same as the number of variables there is likely to be a solution for that . Well not guaranteed in all cases .When an equation has no solution it is called inconsistent .When an equation has a solution it is called consistent .When each equation gives new information it is called independent equation whereas generally there are dependent equations .