Question

What is the value of x given the following image?

Answer 1

`27`

Explanation:

We start by setting an equation. We have
`2x+x+9=90` which simplifies to
`3x+9=90`. Subtract
`9` from both sides leaves us to solve for x when
`3x=81` divide by
`3` on both sides, we get
`x=27`.

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