Question

1. -2(4x+83)-3(5x-1)= 2. 2(3x-11)-5(3x-4)= 3. 0,2(6x-5)-4(0,2x-2)= 4. 0,4(1,5x+3)-2,5(3-0,6x)= 2.Решите уравнение. -3,2n+4,8=-2(1,2n+2,4) 3. 23x-23+40+4x= -12z+3x+3,2z-2,3x=

Answer 1

Вот решение твоих примеров

Answer 2

Let's solve the equations one by one:

1. -2(4x + 83) - 3(5x - 1)

Expanding the equation: -8x - 166 - 15x + 3

Combining like terms: -23x - 163

The solution is -23x - 163.

2. 2(3x - 11) - 5(3x - 4)

Expanding the equation: 6x - 22 - 15x + 20

Combining like terms: -9x - 2

The solution is -9x - 2.

3. 0.2(6x - 5) - 4(0.2x - 2)

Simplifying the equation: 1.2x - 1 - 0.8x + 8

Combining like terms: 0.4x + 7

The solution is 0.4x + 7.

4. 0.4(1.5x + 3) - 2.5(3 - 0.6x)

Simplifying the equation: 0.6x + 1.2 - 7.5 + 1.5x

Combining like terms: 2.1x - 6.3

The solution is 2.1x - 6.3.

5. -3.2n + 4.8 = -2(1.2n + 2.4)

Expanding the equation: -3.2n + 4.8 = -2.4n - 4.8

Moving all the n terms to one side: -3.2n + 2.4n = -4.8 - 4.8

Combining like terms: -0.8n = -9.6

Dividing both sides by -0.8: n = 12

The solution is n = 12.

6. 23x - 23 + 40 + 4x = -12z + 3x + 3z - 2.3x

Combining like terms on both sides: 27x + 17 = -8.3x + 3z

Moving all the x terms to one side and all the z terms to the other: 27x + 8.3x = 3z - 17

Combining like terms: 35.3x = 3z - 17

Dividing both sides by 35.3: x = (3z - 17) / 35.3

The solution is x = (3z - 17) / 35.3.