Solve the equation- 7y - 4-y - 2-4-3

7y + 4/y + 2= 4/3 ; nbsp; [(y+2)≠0] ⇒ (7y + 4)×3= 4×(y+2) [0.5 mark] ⇒ 21y + 12= 4y 8 ⇒ 21y + 4y= 8 12 [1 mark] ⇒ 25y= 20 ⇒ y= 20/25= 4/5 [0.5 mark] ...

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Standard X

Mathematics

Linear Equations in Three Variable

Solve the equ...

Question

Solve the equation: $\frac{7 y + 4}{y + 2} = \frac{- 4}{3}$

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Solution

$\frac{7 y + 4}{y + 2} = \frac{- 4}{3}$ ; $[(y + 2) \neq 0]$
$\Rightarrow (7 y + 4) \times 3 = - 4 \times (y + 2)$
$\Rightarrow 21 y + 12 = - 4 y - 8$
$\Rightarrow 21 y + 4 y = - 8 - 12$
$\Rightarrow 25 y = - 20$
$\Rightarrow y = \frac{- 20}{25} = \frac{- 4}{5}$

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Similar questions

Q. Solve the following equation:

\frac{7 y + 4}{y + 2} = \frac{- 4}{3}

Q. Solve the following equation.

\frac{7 y + 4}{y + 2} = \frac{- 4}{3}

[2 marks]

Solve the following equation: $\frac{7 y + 4}{y + 2} = \frac{- 4}{3}$

Solve: $(7 y + 4) / (y + 2) = - 4 / 3$

Q. Solve:

\frac{7 y + 4}{y + 2} = \frac{- 4}{3}

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Solve the equation: 7y + 4y + 2=−43

7y + 4y + 2=−43 ; [(y+2)≠0] ⇒(7y + 4)×3=−4×(y+2) ⇒21y + 12=−4y − 8 ⇒21y + 4y=− 8 − 12 ⇒25y=−20 ⇒y=−2025=−45

Solve the equation: $\frac{7 y + 4}{y + 2} = \frac{- 4}{3}$

$\frac{7 y + 4}{y + 2} = \frac{- 4}{3}$ ; $[(y + 2) \neq 0]$
$\Rightarrow (7 y + 4) \times 3 = - 4 \times (y + 2)$
$\Rightarrow 21 y + 12 = - 4 y - 8$
$\Rightarrow 21 y + 4 y = - 8 - 12$
$\Rightarrow 25 y = - 20$
$\Rightarrow y = \frac{- 20}{25} = \frac{- 4}{5}$