Answer:
Webca-mtoy.com webca-mera.io I only know 2
Step-by-step explanation:
Since this is an isosceles triangle, then the lengths of both legs are equal
Therefore,
x+1=-x+7
2x=6
x=3
Therefore, the length of the base is:
3x-3=3(3)-3=6
Then your answer is (A)
Answer:
b
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given:

To find: value of 
Solution:
Cross-multiplying is a method in which the numerator of each (or one) side is multiplied by the denominator of the other side.

On cross-multiplication, the equation becomes 

Divides both sides by 8
