Question

7. ) 2x-5y=-2 3x+4y=20

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4.4 (255 Votos)

Thiago Profissional · Tutor por 6 anos

To solve the system of equations

we can use either the substitution method or the elimination method. Here, I'll use the elimination method.1. **Align the equations:**

2. **Eliminate one variable:** To eliminate

, we can multiply the first equation by 3 and the second equation by 2 to make the coefficients of

equal:

3. **Subtract the two equations:**

4. **Solve for

:**

5. **Substitute

back into one of the original equations to find

:** Using the first equation:

The solution to the system of equations is

and