Respuesta :

lfontgabel

Answer:

5

Step-by-step explanation:

8x + 50 = 90

8x + (50-50) = 90-50

8x = 40

8x/8 = 40/8

X = 5

Hope this helps!

LC447

Answer:

x = 5°

Step-by-step explanation:

Start off with 8x° + 50° = 90° because it shows that that is a right angle

Subtract 50° from both sides

8x° = 40°

Divide both sides by 8 to get x alone

x° = 5°

Check:

8(5)° + 50° = 90°

40° + 50° = 90°

90° = 90°