Question

​{−x−2y+1=4x=−8−yy＝x＝​

Answer 1

$(x.y) = (0.0)$

вот

Answer 2

It seems like you have a system of equations, but there seems to be an error in the way they are written. It's unclear where the equal signs are and the placement of variables is not properly defined. However, I'll do my best to help you understand how to solve a system of equations.

A system of equations typically involves two or more equations with multiple variables, and the goal is to find the values of the variables that satisfy all the equations simultaneously.

Let's rewrite the system of equations with proper formatting:

1. -x - 2y + 1 = 4
2. x = -8 - y
3. y = x

To solve this system, we can follow these steps:

Step 1: Substitute the value of y from equation (3) into equation (2): x = -8 - y x = -8 - x

Step 2: Solve for x: Combine x terms on the right side: x + x = -8 2x = -8

Divide by 2 to isolate x: x = -8 / 2 x = -4

Step 3: Now that we have the value of x, we can find y using equation (3): y = x y = -4

Step 4: Check the solution by substituting x and y back into equation (1): -(-4) - 2(-4) + 1 = 4 4 + 8 + 1 = 4 13 = 4 (This is not true, so there might be an issue in the original equations.)

It seems there might have been an error in the equations you provided, as they don't seem to have a valid solution. Please double-check the equations and ensure they are accurately written. If you provide the correct equations, I'll be happy to help you solve them.