Question

Simplify the expression (70 points)

Answer 1

-11x +2

Explanation:

1. Add:

4x-7 - 15x + 9

4x + 2 - 15x

2. Combine like terms:

4x +2 - 15x

-11x +2

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Answer 2

Step-1: Combine like terms.

`4x - 7 - 15x + 9`

`x(4 - 15) + (-7 + 9)`

Step-2: Simplify the expression.

`x(-11) + (2)`

`\bold{-11x + 2}`

The simplified expression is
`\bold{-11x + 2}.`