Pls help- studying for midterms how would I solve:

1/5x+3/10=-4

(how to solve equations)

pls explain how you got an answer and identify answer
Thanks in advance:)

x= -43/2

Step-by-step explanation:

To add or subtract fractions, we need to have the same denominator. We can do that by cross multiplying : +  for the numerator, and multiply both denominators together to find our common denominator.

Now, cross multiply to solve for x.

b. an equilateral triangle inscribed in a circle

step-by-step explanation:

we are given the figure of two circles having a triangle inside.

now, we know that,

"when a figure is lying inside an another figure, then the outside figure is known as circumscribed figure and the figure lying inside is referred to as the inscribed figure".

as we see that, the circles are containing the triangle completely.

thus, the circles are the circumscribed figures and the triangle is the inscribed figure.

hence, we get, 'an equilateral triangle is inscribed in a circle'.

answer: i think it's a

step-by-step explanation: