Answer:
1) 
2) 
3) 
Step-by-step explanation:
Given the expression we have to simplify the expression
1) 
⇒ 
Combining like terms, we get
⇒ 
2.) 
⇒ 
⇒ 
3.) 
⇒ 
⇒ 
An isosceles triangle has two equal sides and one unique side
Hope this helps!
- Z
Step-by-step explanation:
This is the answer.... Working shown
That any number plus 0 is equal to the number itself.
X-13=42
x is the "variable", you're taking 13 away from that, and the answer is also given, 42.