Answer:
x=-7/4
Step-by-step explanation:
4x+7=0
4x=-7+0
4x=-7
x=-7/4
Answer:

Step-by-step explanation:
Given expression

To solve for
for the given expression.
Solution:
We multiply each term with the least common multiple of the denominators of the fraction in order to remove fractions.
The multiples of the denominators are:
3 = 3,6,9,<u>12</u>,15
6 = 6,<u>12</u>
4 = 4,8,<u>12</u>
The least common multiple = 12.
Multiplying each term with 12.


Using distribution.

Simplifying.

Adding
both sides.


Adding 51 both sides.


Dividing both sides by 15.


Simplifying fractions.

∴
(Answer)
Answer:
It is SSS
You already have the two sides, and you can see the two triangles share a common line. Therefore you know the unknown is a side.