Question

A number y increased by 5 is at least -21

Answer 1

- - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - - -

`\diamond\large\blue\textsf{\textbf{\underline{\underline{Given question:-}}}}`

❖ A number y increased by 5 is at least -21.

`\diamond\large\blue\textsf{\textbf{\underline{\underline{Answer and how to solve:-}}}}`

❖ First, if you come across the word "increased" it means we

"increase" a number, or add something to that number, like

y increased by 5
`\longmapsto`
`\sf{y+5}`

Now, we are also given that this expression is at least -21, which means it can't be -21; it can be -21 or it can be greater than -21.

So we have

`\longmapsto\sf{y+5\geq -21}}`

Solving for y

• Subtract 5 on both sides:-

`\longmapsto\sf{y\geq -21-5}`

`\longmapsto\sf{y\geq -26}`

So the values of y greater than or equal to -26 will make this inequality true.

Good luck with your studies.

`\rule{300}{1}`

Answer 2

y >= - 26

Explanation:

your equation at first looks like this

y + 5 >= -21

then you subtract 5 to both sides

y >= -26