Question

21x-13+12-7x=? 13+42-8t-13=?

Answer 1

Ответ:

21x-7x=13+12

14x=25

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Answer 2

Ответ:

Пошаговое объяснение:

21х-13+12-7х=14х-13+12=14х-1

Answer 3

Let's solve these equations step by step:

1. 21x - 13 + 12 - 7x

Combine like terms:

(21x - 7x) + (-13 + 12)

Now, simplify:

14x - 1

So, the result of the first equation is 14x - 1.

2. 13 + 42 - 8t - 13

Combine like terms:

(13 - 13) + 42 - 8t

Now, simplify:

0 + 42 - 8t

So, the result of the second equation is 42 - 8t.