21 Which inequality represents the following statement?
"A number increased by 4 is at most 15."

x + 4 ⩽ 15

Step-by-step explanation:

Let

The number = x

At least in inequality is ⩾ (greater than or equal to sign)

At most in inequality is ⩽ ( less than or equal to sign)

A number increased by 4 is at most 15.

x + 4 ⩽ 15

The inequality that represent the statement is x + 4 ⩽ 15

x + 4 ⩽ 15

x ⩽ 15 - 4

x ⩽ 11

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.

2, 2, 2 or -4, 20, 29

step-by-step explanation:

there is two ways you can do it.