What will be the value of x if x-1-x-4-2-3- where x-4 -A- 3B- 4C- 5D- 6

The correct option is C 5 The equation is (x+1)/(x+4) = 2/3 ⇒ 3(x + 1) = 2(x + 4) [Using cross multiplication] ⇒ 3x + 3 = 2x + 8 [Using distributive law] ⇒ 3 ...

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Standard VII

Mathematics

Solution of a Simple Linear Equation

What will be ...

Question

What will be the value of $x$ if $\frac{x + 1}{x + 4} = \frac{2}{3}$ , where $x \neq - 4 ?$

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Solution

The correct option is C
5

The equation is $\frac{(x + 1)}{(x + 4)} = \frac{2}{3}$

⇒ $3 (x + 1) = 2 (x + 4)$ [Using cross multiplication]

⇒ $3 x + 3 = 2 x + 8$ [Using distributive law]

⇒ $3 x - 2 x = 8 - 3$

⇒ $x = 5$

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What will be the value of x if x+1x+4=23, where x≠−4?

The correct option is C 5 The equation is (x+1)(x+4) = 23 ⇒​ 3(x+1)=2(x+4) [Using cross multiplication] ⇒​ 3x+3=2x+8 [Using distributive law] ⇒ 3x−2x=8−3 ⇒​ x=5

What will be the value of $x$ if $\frac{x + 1}{x + 4} = \frac{2}{3}$ , where $x \neq - 4 ?$

The correct option is C
5

The equation is $\frac{(x + 1)}{(x + 4)} = \frac{2}{3}$

⇒ $3 (x + 1) = 2 (x + 4)$ [Using cross multiplication]

⇒ $3 x + 3 = 2 x + 8$ [Using distributive law]

⇒ $3 x - 2 x = 8 - 3$

⇒ $x = 5$