8.9 – 1.4x + (–6.5x) + 3.4

2 answers:

7 0

Answer:

12.3 – 7.9x

Step-by-step explanation:

the product of + and - is -

Therefore,

8.9 – 1.4x + (–6.5x) + 3.4

= 8.9 – 1.4x –6.5x + 3.4

collect like terms

= – 1.4x – 6.5x + 3.4 + 8.9

= –7.9x + 12.3

= 12.3 – 7.9x

3 0

8.9 + 3.4 -1.4x - 6.5x = 12.3 - 7.9x

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