Question

25:х=5,80:х=40,х.27=81

Answer 1

25:x=5
X=25:5
X=5
25:5=5
5=5

80:x=40
X=80:40
X=2
80:2=40
40=40

X:27=81
X=81•27
X=1647
1647:27=81

Answer 2

To solve these equations, let's go through each one step by step:

1. 25:х = 5

To solve for x, we need to isolate it on one side of the equation. We can do this by multiplying both sides of the equation by x:

25 * (1/х) * х = 5 * х

The х on the left side cancels out, and we are left with:

25 = 5 * х

Now we can divide both sides of the equation by 5:

25/5 = (5 * х)/5

5 = х

So the solution for the first equation is x = 5.

2. 80:х = 40

Following the same steps as above, we multiply both sides of the equation by x:

80 * (1/х) * х = 40 * х

The х on the left side cancels out, and we have:

80 = 40 * х

Now divide both sides of the equation by 40:

80/40 = (40 * х)/40

2 = х

The solution for the second equation is x = 2.

3. х * 27 = 81

To isolate x, divide both sides of the equation by 27:

(х * 27)/27 = 81/27

The 27 on the left side cancels out, and we are left with:

х = 3

The solution for the third equation is x = 3.

Therefore, the solutions for the given equations are:

x = 5 x = 2 x = 3