Question

13х+4х=408 16х-х+14=299

Answer 1

Ответ:

Пошаговое объяснение:

13х+4х=408

17х=408

х=408:17

х=24

16х-х+14=299

15х=299-14

15х=285

х=285:15

х=19

Answer 2

Let's start by simplifying the first equation by combining like terms:

13x + 4x = 408 17x = 408

Now we can solve for x:

x = 408/17

Next, let's simplify the second equation by combining like terms:

16x - x + 14 = 299 15x + 14 = 299

Subtract 14 from both sides:

15x = 285

Solve for x:

x = 19

So the solution to the system of equations is x = 19. We can verify this by plugging it back into the original equations:

13x + 4x = 408 13(19) + 4(19) = 408 247 + 76 = 408 408 = 408 (true)

16x - x + 14 = 299 16(19) - 19 + 14 = 299 304 - 5 = 299 299 = 299 (true)

Therefore, x = 19 is the solution to the system of equations.