Answer:
x=12
Step-by-step explanation:
Since the angle needs to add up to 90, you will first need to subtract 30 from 90. This will leave you with 60. Next you will divide 60 by 5 which will give you 12 which is the answer.
12
30+5x=90
(90 because it is a 90° triangle)
5x=90-30( when a + change to another side it will change to -)
5x=60( solve the 90-30=60)
x=60/5(when × change to other side it will change into ÷)( and the solve it )
