Answer:
x = 5
Step-by-step explanation:
8x and 50 form a right angle , then
8x + 50 = 90 ( subtract 50 from both sides )
8x = 40 ( divide both sides by 8 )
Right angles equal 90 degrees, so 90-50=40
40=8x
divide by 8 on both sides
x=5
