Question

1. 8(6a-7)-17a 2. 6b-7(12-3b) 3. 1,6(c-8)+0,4(8-3c) Срочно!!!

Answer 1

Ответ:

решение смотри на фотографии

Пошаговое объяснение:

Answer 2

Sure, I'd be happy to help you simplify these expressions. Let's take them one by one:

1. 8(6a-7) - 17a

To simplify this expression, we need to distribute the 8 to both terms inside the parentheses:

8 * 6a = 48a 8 * (-7) = -56

Now the expression becomes:

48a - 56 - 17a

Next, combine the like terms (terms with the same variable):

(48a - 17a) - 56

Now, subtract the coefficients of the 'a' terms:

31a - 56

So, the simplified expression is: 31a - 56

2. 6b - 7(12 - 3b)

Again, we distribute the -7 to both terms inside the parentheses:

-7 * 12 = -84 -7 * (-3b) = 21b

Now the expression becomes:

6b - 84 + 21b

Next, combine the like terms (terms with the same variable):

(6b + 21b) - 84

Now, add the coefficients of the 'b' terms:

27b - 84

So, the simplified expression is: 27b - 84

3. 1.6(c - 8) + 0.4(8 - 3c)

First, distribute 1.6 and 0.4 to both terms inside the parentheses:

1.6 * c = 1.6c 1.6 * (-8) = -12.8

0.4 * 8 = 3.2 0.4 * (-3c) = -1.2c

Now the expression becomes:

1.6c - 12.8 + 3.2 - 1.2c

Next, combine the like terms (terms with the same variable):

(1.6c - 1.2c) - 12.8 + 3.2

Now, subtract the coefficients of the 'c' terms:

0.4c - 9.6

So, the simplified expression is: 0.4c - 9.6

If you have any more questions or need further assistance, feel free to ask!