The sum of the measures of angle A and angle B is 90 degrees.

The measure of angle A is (5x + 10)

The measure of angle B is 3x degrees

What is the value of x?

Respuesta :

Answer:

x=10

Step-by-step explanation:

5x+10+3x=90

8x+10=90

8x=80

x=10

:)