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ali015
So you have 4.6x − 3 and −5.3x + 9. You can only add like terms, which are terms where their variables (and the exponents on the variable) are the same. That means you can add 4.6x and −5.3x, and you can also add −3 and 9:
[tex]4.6x - 3 + - 5.3x + 9\\ = (4.6x - 5.3x) + (-3 + 9)\\ = -0.7x + 6[/tex]

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Answer: -0.7x + 6

An expression is defined as a set of numbers, variables, and mathematical operations. The addition of the two given expressions (4.6x-3) and (-5.3x+9) is (-0.7x+6).

What is an Expression?

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The addition of the two given expressions (4.6x-3) and (-5.3x+9) is,

(4.6x-3) + (-5.3x+9)

= 4.6x - 3 - 5.3x + 9

= -0.7x + 6

Hence, The addition of the two given expressions (4.6x-3) and (-5.3x+9) is (-0.7x+6).

Learn more about Expression:

https://brainly.com/question/13947055

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