Question

find x
with solution​

Answer 1

Answer:

2x-10+40+2x-10=180°

=> 4x-20+40=180

..4x+20=180

....4x=180-20

.....4x=160

...x=160/4

x=40..

Step-by-step explanation:

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Answer 2

e)

2x-10+40+2x-10 =180 ( as it is straight line the sum is 180).

4x+20=180

4x=180-20

4x= 160

x= 40

Put the values of x.

f) x+2(×-30)=180 ( as it is straight line the sum is 180).

x+2x-60 =180

3x=180+60

3x=240

x=240/3

x= 80

Put value of x .

I hope these will help you.