In the given equations y -11- x and 2 x - y -4- the value of x is 4 -A- TrueB- False

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Standard X

Mathematics

Solving Simultaneous Linear Equation Using Method of Substitution

In the given ...

Question

In the given equations $y = 11 - x$ and $2 x - y = 4$ , the value of $x$ is 4.

True

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False

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Solution

The correct option is B
False

Given $y = 11 - x$ and $2 x - y = 4$

Substitute the value of $y$ in $2 x - y = 4,$

$\Rightarrow 2 x - (11 - x) = 4$

$\Rightarrow 2 x - 11 + x = 4$

$\Rightarrow 3 x = 15$

$\Rightarrow x = 5$

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In the given equations y=11–x and 2x–y=4, the value of x is 4.

The correct option is B False Given y=11−x and 2x–y=4 Substitute the value of y in 2x−y=4, ⇒2x−(11−x)=4 ⇒2x−11+x=4 ⇒3x=15 ⇒x=5

In the given equations $y = 11 - x$ and $2 x - y = 4$ , the value of $x$ is 4.

The correct option is B
False

Given $y = 11 - x$ and $2 x - y = 4$

Substitute the value of $y$ in $2 x - y = 4,$

$\Rightarrow 2 x - (11 - x) = 4$

$\Rightarrow 2 x - 11 + x = 4$

$\Rightarrow 3 x = 15$

$\Rightarrow x = 5$