Solve this equationx - 4-5x - 10

Solve the equation:x = 4/5(x + 10)0ex0ex⇒ x = 4x/5 + 40/50ex0ex⇒ x 4x/5 = 80ex0ex⇒5x 4x/5 = 80ex0ex⇒ x = 8 × 50ex0ex⇒ x = 40Hence, 𝑥=40 is the solution of ...

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Byju's Answer

Standard VII

Mathematics

Solving Equations with Variable on Both Sides

Solve this eq...

Question

Solve this equation
$x = \frac{4}{5} (x + 10)$

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Solution

Solve the equation:
$x = \frac{4}{5} (x + 10) \Rightarrow x = \frac{4 x}{5} + \frac{40}{5} \Rightarrow x - \frac{4 x}{5} = 8 \Rightarrow \frac{5 x - 4 x}{5} = 8 \Rightarrow x = 8 \times 5 \Rightarrow x = 40$
Hence, $x = 40$ is the solution of given equation.

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Solve this equationx=45(x+10)

Solve the equation:x=45(x+10)⇒x=4x5+405⇒x-4x5=8⇒5x-4x5=8⇒x=8×5⇒x=40Hence, x=40 is the solution of given equation.

Solve this equation
$x = \frac{4}{5} (x + 10)$

Solve the equation:
$x = \frac{4}{5} (x + 10) \Rightarrow x = \frac{4 x}{5} + \frac{40}{5} \Rightarrow x - \frac{4 x}{5} = 8 \Rightarrow \frac{5 x - 4 x}{5} = 8 \Rightarrow x = 8 \times 5 \Rightarrow x = 40$
Hence, $x = 40$ is the solution of given equation.