Question

Решите уровнение 2х+х-16=2 8-17х=25 5-х=25 х+21=3-5х 2(х-12)=210-7х

Answer 1

2х+х-16=2
3х=2+16
3х=18
х=18:3=6
х=6

8-17х=25
-17х=25-8
-17х=17
х=17:(-17)
х=-1

5-х=25
-х=25-5
-х=20
х=-20

х+21=3-5х
х+5х=3-21
6х=-18
х=-18:6
х=-3

2(х-12)=210-7х
2х-24=210-7х
2х+7х=210+24
9х=234
х=234:9
х=26

Answer 2

Ответ:

Пошаговое объяснение:

2х+х-16=2

3х=18

х=6

8-17х=25

-17х=17

х=-1

5-х=25

-х=25-5

х=-20

х+21=3-5х

6х=-18

х=-3

2(х-12)=210-7х

2х-24=210-7х

9х=210+24

х=234/9

х=26

Answer 3

To solve each equation, follow these steps:

1. Isolate the variable (x) on one side of the equation.
2. Simplify both sides of the equation.
3. Solve for x.

Let's solve each equation one by one:

1. 2x + x - 16 = 2

Combine the x terms: 3x - 16 = 2

Add 16 to both sides to isolate 3x: 3x = 18

Now, divide by 3 to solve for x: x = 18 / 3 x = 6

2. 28 - 17x = 25

Subtract 28 from both sides to isolate -17x: -17x = 25 - 28 -17x = -3

Divide by -17 to solve for x: x = -3 / -17 x = 3/17 (or approximately 0.1765)

3. 5 - x = 25

Subtract 5 from both sides to isolate -x: -x = 25 - 5 -x = 20

Multiply by -1 to solve for x: x = -20

4. x + 21 = 3 - 5x

Add 5x to both sides: 6x + 21 = 3

Subtract 21 from both sides to isolate 6x: 6x = 3 - 21 6x = -18

Divide by 6 to solve for x: x = -18 / 6 x = -3

5. 2(x - 12) = 210 - 7x

Distribute 2 on the left side: 2x - 24 = 210 - 7x

Add 7x to both sides: 9x - 24 = 210

Add 24 to both sides to isolate 9x: 9x = 210 + 24 9x = 234

Divide by 9 to solve for x: x = 234 / 9 x = 26

So, the solutions to the given equations are:

1. x = 6
2. x = 3/17 (or approximately 0.1765)
3. x = -20
4. x = -3
5. x = 26