Question

If 2x 3 = 5X + then x = 3. 3 (a) ) (b) (c) 4 (d) wis 4​

Answer 1

Correct option is

B

13320

5x2x+3−x7+4=3x2

⇒5x2x+3−x7−3x2=−4

⇒15x6x+9−105−10=−4

⇒6x−106=−60x

⇒6x+60x=106

⇒x=66106=3353=13320

Answer 2

Answer:

Class 8

>>Maths

>>Linear Equations in One Variable

>>Solving Linear Equations with Variable on Both Sides

>>Solve for x : 2x + 3 = 5x -...

Question

Bookmark

Solve for x:

2x+3=5x−9

Medium

Solution

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2x+3=5x−9

Now by transposing 2x to the R.H.S. and −9 to the L.H.S we get,

⇒3+9=5x+2x

⇒12=3x

Now, by transposing 3 to find the value of x we get,

⇒x=

3

12

⇒x=4

∴x=4

Note:

⇒ this symbol means "This implies"

∴ and this symbol means "therefore

Step-by-step explanation:

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