PLEASE HELP! I WILL GIVE BRAINLIEST!! NEED ANSWER ASAP

Answer:
-The value of [tex]x[/tex] :
[tex]x = 55[/tex]
Step-by-step explanation:
-According to the following problem, the whole angle is a right angle, so, right angles are [tex]90\textdegree[/tex]. So, to get the value of [tex]x[/tex], you need put the following measurements from those both angles [tex](x -20)[/tex] and [tex](x)[/tex] together on one side and equal it to [tex]90\textdegree[/tex] and solve for [tex]x[/tex] :
[tex]x-20 + x = 90[/tex]
Solve:
[tex]x - 20 + x =90[/tex]
-Combine like terms:
[tex]2x-20=90[/tex]
-Add both sides by 20:
[tex]2x - 20 + 20 = 90 + 20[/tex]
[tex]2x = 110[/tex]
-Divide both sides by 2:
[tex]\frac{2x}{2} = \frac{110}{2}[/tex]
[tex]x = 55[/tex]
So, therefore the final answer is [tex]x = 55[/tex] .