Question

1) 13+28x=5x+17+23x; 2) 5-3х+4=17х+9–20x;з ау + 2 + 5 = 2 + 4,1 + 0,9;4) 9 – 16y = 20 – 31y + 15y.​

Answer 1

Ответ:

1)13+28х=15х+17+23х

28х-5х-23х=17-13

0х=4

х=4:0

У этого уравнения нет корня

2)5-3х+4=17х+9-20х

-3х-17х+20х=9-5-4

0х=0

х=0:0

У этого уравнения нет корня

Answer 2

Ответ:

13 + 28x = 5x + 17 + 23x ,

13 + 28х = 28х + 17,

28х - 28х = 17 - 13,

0 · х = 4,

Пошаговое объяснение:

20x-3x-17x=9-5-4

20x-20x=0.

Answer 3

Let's solve each of the given equations step by step:

1. 13 + 28x = 5x + 17 + 23x:

To solve this equation, we'll first simplify both sides by combining like terms:

13 + 28x = 5x + 17 + 23x Combine like terms: 28x - 23x - 5x = 17 - 13 Simplify: 0 = 4

The equation 0 = 4 is not true, which means there is no solution to this equation. It is an inconsistent equation.

2. 5 - 3x + 4 = 17x + 9 - 20x:

We'll simplify both sides by combining like terms:

5 - 3x + 4 = 17x + 9 - 20x Combine like terms: 9 - 3x = -3x - 11x + 9 Combine like terms: 9 - 3x = -14x + 9

Now, we'll isolate the variable on one side of the equation:

-14x + 9 + 3x = 9 Combine like terms: -11x + 9 = 9 Subtract 9 from both sides: -11x = 0 Divide by -11: x = 0

The solution to this equation is x = 0.

3. z + au + 2 + 5 = 2 + 4.1 + 0.9:

We'll simplify both sides by combining like terms:

z + au + 2 + 5 = 2 + 4.1 + 0.9 Combine like terms: z + au + 7 = 6 + 5 Combine like terms: z + au + 7 = 11

To isolate the variables, we need more information about the values of 'z' and 'au'. Without that information, we cannot find a specific solution.

4. 9 - 16y = 20 - 31y + 15y:

We'll simplify both sides by combining like terms:

9 - 16y = 20 - 31y + 15y Combine like terms: -16y + 31y - 15y = 20 - 9 Combine like terms: 0 = 11y + 11

To isolate 'y', we'll subtract 11 from both sides:

0 - 11 = 11y + 11 - 11 -11 = 11y

Now, divide both sides by 11:

-11/11 = 11y/11 -1 = y

The solution to this equation is y = -1.