X-5 = 2x + 10
what is the answer

-x -5 = 2x + 10

Add x on both sides.

-5=3x+10

Subtract 10 from both sides.

-15=3x

Divide by 3 on both sides.

-5=x

x=-5

-5

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.