What is the simplified form of 6.8x + (-8.9)+(-6.8x) + 8.9? Explain how you know.

Mathematics

1 answer:

Mademuasel [1]3 years ago

7 0

$\sf\huge\underline\color{pink}{༄Answer:}$

$\tt6.8x + ( - 8.9) + (6.8x) + 8.9 \\ = \tt6.8x - 8.9 + 6.8x + 8.9 \\ = \tt6.8x + 6.8x + 0 \\ = \tt6.8x + 6.8x \\ = \large\boxed{\tt{\color{pink}{13.6x}}}$

$\color{pink}{==========================}$

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