Question

А+в+с=? а+в=3800000 в+с=5200000 а+с=5700000

Answer 1

1900000+1400000+500000

Answer 2

To find the values of A, B, and C, we can solve the given system of equations:

1. a + b = 3800000
2. b + c = 5200000
3. a + c = 5700000

Let's solve this system using a combination of substitution and elimination methods:

From equation 1, we can express a in terms of b: a = 3800000 - b.

Substituting this value of a in equation 3, we get: (3800000 - b) + c = 5700000 3800000 - b + c = 5700000 c - b = 5700000 - 3800000 c - b = 1900000 -- (4)

Now, we have two equations with two variables: 2) b + c = 5200000 -- (2)

4. c - b = 1900000 -- (4)

Adding equations (2) and (4), we eliminate b: (b + c) + (c - b) = 5200000 + 1900000 2c = 7100000 c = 7100000 / 2 c = 3550000

Substituting the value of c into equation (4), we can solve for b: c - b = 1900000 3550000 - b = 1900000 b = 3550000 - 1900000 b = 1650000

Now that we know the values of b and c, we can substitute them into equation (1) to solve for a: a + b = 3800000 a + 1650000 = 3800000 a = 3800000 - 1650000 a = 2150000

Therefore, the solution is: a = 2150000 b = 1650000 c = 3550000

And the sum A + B + C is: 2150000 + 1650000 + 3550000 = 7350000