Question

1) 15 - * = 0;2) 16 - * = -1;3) - 5 - * = 04) * - (-3)=4​

Answer 1

Ответ:

1. 15

2. 17

3. -5

4. 1

Пошаговое объяснение:

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Answer 2

Ответ:

1)15-15=0

2)16-17=-1

3)-5-(-5)=0

4)1-(-3)=4

Answer 3

Let's solve each of these equations:

1. 15 - * = 0 To find the value of *, you can simply subtract 0 from 15:

• = 15 - 0
• = 15

2. 16 - * = -1 To find the value of *, you can add 1 to both sides of the equation: 16 - * + 1 = -1 + 1 16 - * + 1 = 0

Now, subtract 1 from both sides: 16 - * = 0

To find *, subtract 16 from both sides:

• = 16 - 0
• = 16

3. -5 - * = 0 To find the value of *, you can add 5 to both sides of the equation: -5 - * + 5 = 0 + 5 -5 + 5 - * = 5

Now, simplify the left side: 0 - * = 5

To find *, multiply both sides by -1 to isolate *: -1 * (0 - *) = -1 * 5 0 - * = -5

Now, add * to both sides to solve for *: 0 - * + * = -5 + * 0 = -5 + *

• = -5

4. • • (-3) = 4 To find the value of *, you can simplify the expression on the left side:

• • 3 = 4

Now, subtract 3 from both sides to solve for *:

• • 3 - 3 = 4 - 3
• = 1

So, the solutions are:

1. • = 15
2. • = 16
3. • = -5
4. • = 1