Question

if l||m then the value of x is 3x=5x-4​

Answer 1

Answer:

3x-5x=-4

-2x=-4

x=2

Step-by-step explanation:

I hope that it will be helpful for you

Answer 2

Answer:

Since l∥m, then

3y=2y+25    [Alternate ∠s]

⇒3y−2y=25

⇒y=25       ......(1) 

Also x+15=2y+25    [Vertically opposite ∠s]

⇒x+15=2(25)+25      [using (1)]

⇒x+15=50+25

⇒x=75−15

⇒x=60.(in degrees)