Answer:
x=18
Step-by-step explanation:
So (3x+20)° and (5x-16)° are angles that are vertically opposite to each other; which means that they are equal to one another. Which means we can say:
(3x+20)=(5x-16)
20+16=5x-3x
36=2x
*and the two angles are 74°
30454
subtraction on a calculator
42812-12358=30454
a=-29/14
the answer to this is-35/29 or -1.206896552
