It is n
8
In the expression 5 + y + 8, y is a variable. We know how much 5 and 8 are, those are definite quantities. Only y has an unknown, and hence variable value.
12(t+6)+8=4(2t-1)+2t 12t+72+8=8t-4+2t 12t-2t-8t=-72-8-4 2t=-84 2t/2=84/2 t=42
It is an expression with a variable, x.It is an expression with a variable, x.It is an expression with a variable, x.It is an expression with a variable, x.
Algebra
It is n
8
A variable expression.
In the expression 5 + y + 8, y is a variable. We know how much 5 and 8 are, those are definite quantities. Only y has an unknown, and hence variable value.
In 2t+8 19
12(t+6)+8=4(2t-1)+2t 12t+72+8=8t-4+2t 12t-2t-8t=-72-8-4 2t=-84 2t/2=84/2 t=42
The expression is; 2t - 12.
It is an expression with a variable, x.It is an expression with a variable, x.It is an expression with a variable, x.It is an expression with a variable, x.
It is a variable expression.
6t - 4x
36