Question

simplify: 7r + 10 - 2(2r + 3s - 5t) + 2(4s - t) + 5?

Answer 1

Answer:

3+2+8+15

Step-by-step explanation:

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Answer 2

Answer:

$3r + 2s + 8t + 15$

Step-by-step explanation:

$7r + 10 - 2(2r + 3s - 5t) + 2(4s - t) + 5$

$= > 7r + 10 - 4r - 6s + 10t + 8s - 2t + 5$

$= > 7r - 4r + 8s - 6s + 10t - 2t + 10 + 5$

$= > 3r + 2s + 8t + 15$