Question

1)-4x+10=0. 2)-4x-7=0. 3)-5x-1=0. 4)-5x-9=3. 5)2x-7=6. 6)4x+10=-10. 7)2x-10=-3. 8)2x+6=8. 9)-2x-3=1. 10)-5x-9=-6.

Answer 1

1) -4x=-10 |*(-1)
4x=10
x= $\frac{10}{4} = 2 \frac{2}{4} = 2 \frac{1}{2} = 2,5$

2) -4x-7=0
-4x=7
x= $\frac{7}{-4} = -1 \frac{3}{4} = -1,75$

3) -5x-1=0
-5x=1
x= $\frac{1}{-5} = -0,2$

4) -5x-9=3
-5x=3+9
-5x=12
x= $\frac{12}{-5} = -2 \frac{2}{5} = -2,4$

5) 2x-7=6
2x=6+7
2x=13
x= $\frac{13}{2} = 6 \frac{1}{2} = 6,5$

6) 4x+10=-10
4x=-10-10
4x=-20
x= $\frac{-20}{4} = -5$

7) 2x-10=-3
2x=-3+10
2x=7
x= $\frac{7}{2} = 3 \frac{1}{2}= 3,5$

8) 2x+6=8
2x=8-6
2x=2
x=1

9) -2x-3=1
-2x=1+3
-2x=4
x= $\frac{4}{-2} = -2$

10) -5x-9=-6
-5x=-6+9
-5x=3
x= $\frac{3}{-5} = -0,6$

Answer 2

Let's solve the equations one by one:

1. -4x + 10 = 0

To solve this equation, we need to isolate the variable x. We can do this by performing algebraic operations on both sides of the equation:

-4x + 10 - 10 = 0 - 10 -4x = -10

To isolate x, we divide both sides of the equation by -4:

(-4x) / -4 = (-10) / -4 x = 2.5

Therefore, the solution to this equation is x = 2.5.

2. -4x - 7 = 0

We'll follow a similar process to solve this equation:

-4x - 7 + 7 = 0 + 7 -4x = 7

Dividing both sides by -4:

(-4x) / -4 = 7 / -4 x = -1.75

The solution to this equation is x = -1.75.

3. -5x - 1 = 0

Following the same steps as before:

-5x - 1 + 1 = 0 + 1 -5x = 1

Dividing both sides by -5:

(-5x) / -5 = 1 / -5 x = -0.2

The solution to this equation is x = -0.2.

4. -5x - 9 = 3

Let's solve for x:

-5x - 9 + 9 = 3 + 9 -5x = 12

Dividing both sides by -5:

(-5x) / -5 = 12 / -5 x = -2.4

The solution to this equation is x = -2.4.

5. 2x - 7 = 6

To solve for x:

2x - 7 + 7 = 6 + 7 2x = 13

Dividing both sides by 2:

(2x) / 2 = 13 / 2 x = 6.5

The solution to this equation is x = 6.5.

6. 4x + 10 = -10

Solving for x:

4x + 10 - 10 = -10 - 10 4x = -20

Dividing both sides by 4:

(4x) / 4 = (-20) / 4 x = -5

The solution to this equation is x = -5.

7. 2x - 10 = -3

To solve for x:

2x - 10 + 10 = -3 + 10 2x = 7

Dividing both sides by 2:

(2x) / 2 = 7 / 2 x = 3.5

The solution to this equation is x = 3.5.

8. 2x + 6 = 8

Solving for x:

2x + 6 - 6 = 8 - 6 2x = 2

Dividing both sides by 2:

(2x) / 2 = 2 / 2 x = 1

The solution to this equation is x = 1.

9. -2x - 3 = 1

To solve for x:

-2x - 3 + 3 = 1 + 3 -2x = 4

Dividing both sides by -2:

(-2x) / -2 = 4 / -2 x = -2

The solution to this equation is x