3 years ago

0.4x-0.8-3x+0.5x-1.2

1 answer:

4 0

If you would like to calculate 0.4 * x - 0.8 - 3 * x + 0.5 * x - 1.2, you can do this using the following steps:

0.4 * x - 0.8 - 3 * x + 0.5 * x - 1.2 = (0.4 * x - 3 * x + 0.5 * x) - 0.8 - 1.2 = - 2.1 * x - 2

The correct result would be - 2.1 * x - 2.

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3 years ago