Question

4(0.5а-6)-14а+21= -0.5(3a+4)+1.9a-1=

Answer 1

1)-12а-3
2)0.4а-3
ответттт

Answer 2

Let's solve the given equation step by step:

1. 4(0.5a - 6) - 14a + 21 = -0.5(3a + 4) + 1.9a - 1

2. Distribute the numbers in parentheses:

   2a - 24 - 14a + 21 = -1.5a - 2 + 1.9a - 1

3. Combine like terms:

   (2a - 14a) - 24 + 21 = (-1.5a + 1.9a) - 2 - 1

4. Simplify further:

   -12a - 3 = 0.4a - 3

5. Let's isolate the "a" terms on one side of the equation. Add 12a to both sides:

   -12a + 12a - 3 = 0.4a + 12a - 3

6. The "-12a" and "12a" on the left side cancel out:

   -3 = 12.4a - 3

7. Now, let's get rid of the constant term on the right side by adding 3 to both sides:

   -3 + 3 = 12.4a - 3 + 3

8. The "-3" and "+3" on the left side cancel out:

   0 = 12.4a

9. Finally, solve for "a" by dividing both sides by 12.4:

   a = 0

So, the value of "a" that satisfies the equation is "a = 0".