Question

0,8(а+2) +0, 2а=5, 2

Answer 1

0,8(а + 2) + 0,2а = 5,2

0,8а + 1,6 + 0,2а = 5,2

а + 1,6 = 5,2

а = 5,2 - 1,6

а = 3,6

Ответ : а = 3,6

Answer 2

To solve the equation 0.8(a + 2) + 0.2a = 5.2, you'll need to simplify and isolate the variable "a." Here are the steps to solve it:

1. Distribute the 0.8 on the left side of the equation:

0.8(a) + 0.8(2) + 0.2a = 5.2

2. Now, simplify each term:

0.8a + 1.6 + 0.2a = 5.2

3. Combine like terms by adding the "a" terms and the constant terms separately:

(0.8a + 0.2a) + 1.6 = 5.2

0.8a + 0.2a is equal to 1.0a, so the equation becomes:

1.0a + 1.6 = 5.2

4. Now, subtract 1.6 from both sides to isolate "a":

1.0a = 5.2 - 1.6

1.0a = 3.6

5. Finally, divide both sides by 1.0 to solve for "a":

a = 3.6 / 1.0

a = 3.6

So, the solution to the equation is:

a = 3.6