3x
9*(x+ 2)
" 5(x+2) " is.
If you call your number x, the expression would be 5x.
x-2
y - 5x
9*(x+ 2)
" 5(x+2) " is.
It is: 15x
x = 2 is an algebraic equality (Because there is an 'equals'(=) sign) x - 2 is an algebraic expression ( Because there is NO equals sign).
If you call your number x, the expression would be 5x.
7 + x
x-2
35-(4x)
y - 5x
It would be -2 - x .
They are two terms of an algebraic expression.
It is simply: x-1