Question

2х=8;. 15-3х+3=5-4х;. 2х-1+1=9;. 2х=12;. 18-6х-5=4-7х;. 6х+3-3=9.​

Answer 1

Ответ: 1) х=8/2=4

2) 13=-х или х=-13

3) 2*х=9 иди х=9/2=4 1/2

4) х=12/2=6

5) 9=13*х или х=9/13

6) 6*х=9 или х=9/6=1 1/2

Объяснение:

Answer 2

Let's solve each of these equations step by step:

1. 2х = 8 To solve for х, divide both sides by 2: х = 8 / 2 х = 4

2. 15 - 3х + 3 = 5 - 4х First, combine like terms on both sides: 15 + 3 - 5 = 4х - 3х - 4х 13 = -3х Now, isolate х by dividing both sides by -3 (don't forget to change the sign when dividing by a negative number): х = 13 / -3 х ≈ -4.33

3. 2х - 1 + 1 = 9 Combine like terms on the left side: 2х = 9 Now, divide both sides by 2 to find the value of х: х = 9 / 2 х = 4.5

4. 2х = 12 To solve for х, divide both sides by 2: х = 12 / 2 х = 6

5. 18 - 6х - 5 = 4 - 7х Combine like terms on both sides: 18 - 5 = 4х - 6х - 7х 13 = -9х Now, isolate х by dividing both sides by -9: х = 13 / -9 х ≈ -1.44

6. 6х + 3 - 3 = 9 Combine like terms on the left side: 6х = 9 Now, divide both sides by 6 to find the value of х: х = 9 / 6 х = 1.5

So, the solutions to the given equations are:

1. х = 4
2. х ≈ -4.33
3. х = 4.5
4. х = 6
5. х ≈ -1.44
6. х = 1.5