7
It is 2y.
It is an expression in two variable: it is NOT an equation. There is no standard form for expressions.
A coefficient is the number in front of a variable. For example, consider the expression '2y' y is the variable 2 is the coefficient
It is a quadratic expression which when factored is (2y+3)(y+5)
When you see "y times 2," it means you are multiplying the variable y by the number 2. So the expression "y times 2" can be written as 2y. This is a simple algebraic expression where the coefficient of y is 2.
Combine like terms. 6x - 2y +7.
-7
monomial is expression having one variable only eg : 2x,2y+3,4t-5+8 etc
-3
2
The expression 3y + 2y + y simplifies to 6y. This is because when you add like terms (terms with the same variable, in this case y), you add the coefficients (numbers in front of the variable) together. In this case, 3y + 2y = 5y, and then adding another y gives you 6y.