Question

If y = 3, simplify the expression x + 2y + 7.

Answer 1

in this case replace \(y\) by \(3\)

Answer 2

you get
\[x+2\times 3+7\] the some arithmetic to finish it

Answer 3

please tell your math teacher that this is not called "simplify"

Answer 4

well thats why i didnt understand it and its not a teacher its summer school

Answer 5

oh yeaaa

Answer 6

final answer is \(x+13\) are there no teachers in summer school?

Answer 7

yea its online

Answer 8

but you learn it yourself

Answer 9

no an expression does not need an equal sign
an equation has an equal sign

Answer 10

as for "simplify" there is no such mathematical operation
you can
add
subtract
multiply
divide
reduce to lowest terms
combine like terms
write in simplest radical form
etc