10n - 24 = 8n + 64
n = 44
For the equation 80% of what number equals 40, the unknown number is 50.
5
It is one linear equation in two unknown variables: e and a.
You cannot solve one linear equation in two unknown variables.
Graph and Table: http://i50.tinypic.com/szhr4k.png
The statement that represent that is one - half a number is 267.
If a statement includes an "equals" sign ( = ) then the statement is an equation. By the way . . . it may or may not be a true statement. "10 equals 120" is not true.
You have said that 1 USD equals Rs 57. That statement may be written as an algebraic equation as follows: USD 1 = Rs 57 . The equation states that 1 USD is equal to Rs 57. The equation is a statement of fact, and there are no variables in it. Therefore, nothing is unknown, there is nothing to solve, and no calculation required.
a=11
An equation is a true statement. [ 75 + 4 = -2 ] is a false statement.
A function.
mass
P= Momentum
It is one linear equation in two unknown variables.
For the equation 80% of what number equals 40, the unknown number is 50.
mansion
Unknown