Plz in under 5 !
simplify. x + (7 + 14x)
is it:
21x
15x + 7
21x + 1
22x

2. which of the following statements are true of the algebraic expression 8y 2 + 3y + 6? select all that apply.
this expression is the sum of three terms.
6 is a coefficient.
the expression has two variable terms.
8 is a constant.

3. simplify the following expression: (18t) + 2t(9) - 12.