What is simplify-7(0.4t+9t+0.3)-0.8t ?

The solution to simplify-7(0.4t+9t+0.3)-0.8t is -66.6t-2.1

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simplify-7(0.4t+9t+0.3)-0.8t

simplify

- 7 (0.4 t + 9 t + 0.3) - 0.8 t

- 66.6 t - 2.1

Solution steps

- 7 (0.4 t + 9 t + 0.3) - 0.8 t

Add similar elements:

0.4 t + 9 t = 9.4 t

= - 7 (9.4 t + 0.3) - 0.8 t

Expand

- 7 (9.4 t + 0.3) : - 65.8 t - 2.1

= - 65.8 t - 2.1 - 0.8 t

Group like terms

= - 65.8 t - 0.8 t - 2.1

Add similar elements:

- 65.8 t - 0.8 t = - 66.6 t

= - 66.6 t - 2.1

12 - \frac{1}{3}

- \frac{5}{6} + \frac{2}{5}

129600

3 \times 1 0^{- 5}

4 x^{2} + 21 x + 27

What is simplify-7(0.4t+9t+0.3)-0.8t ?
The solution to simplify-7(0.4t+9t+0.3)-0.8t is -66.6t-2.1