Answer:
is it C?? plss let me know not fully sure
Step-by-step explanation:
Answer: y=7
Step-by-step explanation:
Answer:
An equation is a statement that maintains the equal value of two mathematical expressions. If the statement is true for all variable values, it is called an identity. ... An equation shows the equality of two variables while an inequality shows the inequality of two variables
Answer:
a=-20
Step-by-step explanation:
-4(7a+5)=-160
7a+(-20)=-160 Multiply -4 and 5
7a=-140 Subtract -20 from -160
a=-20 Divide 7 by -140
Answer:
⇒ 
[Factorized form]
Step-by-step explanation:
Given expression:
We need to make 
the subject.
In order to do that we need to solve the expression for in terms of 
and 
We have,
Subtracting both sides by 
Taking square root both sides in order to remove square of
The difference of squares can be factorized and written as:
[difference of squares 
]
