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Write the equation for:

1. The sum of 5 times a number and -11 is -16.
2. 12 times the sum of a number and -8 is 48.
3. The sum of 5 times a number and 2 is -13.
4. The sum of 7 times a number and 11 is 81.
5. 3 times the sum of a number and -2 is -15.
6. 5 times the sum of a number and 2 is 35.

An example is:
The sum of four times a number and 14 is 74.
4x + 14 = 74

Please answer asap. Will mark brainliest.

Respuesta :

taniafki11

Answer:

1. 5x-11 = -16 so x= -1

2. 12x -8 = 48 so x=56/12

3. 5x +2 = 13 so. x= -3

4. 7x +11 = 81 so x = 10

5. 3x -2 = -15 so. x= -13/3

6. 5x + 2 = 35 so. x = 33/5

onyebuchinnaji

(1). The sum of 5 times a number and -11 is -16. The equation is 5x - 11 = -16.

(2). 12 times the sum of a number and -8 is 48. The equation is 12x - 96 = 48.

(3). The sum of 5 times a number and 2 is -13. The equation is 5x + 2 = -13.

(4). The sum of 7 times a number and 11 is 81. The equation is 7x + 11 = 81.

(5). 3 times the sum of a number and -2 is -15. The equation is 3x - 6 = -15.

(6). 5 times the sum of a number and 2 is 35. The equation is 5x + 10 = 35.

Let the unknown number = x

The algebraic equation of word problem is written as follows;

(1). The sum of 5 times a number and -11 is -16

The equation is written as;

5x + (-11) = -16

5x - 11 = -16

(2). 12 times the sum of a number and -8 is 48

The equation is written as;

12(x - 8) = 48

12x - 96 = 48

(3). The sum of 5 times a number and 2 is -13.

The equation is written as;

5x + 2 = -13

(4). The sum of 7 times a number and 11 is 81.

The equation is written as;

7x + 11 = 81

(5). 3 times the sum of a number and -2 is -15.

The equation is written as;

3(x - 2) = -15

3x - 6 = -15

(6). 5 times the sum of a number and 2 is 35.

The equation is written as;

5(x + 2) = 35

5x + 10 = 35

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