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
