3 years ago

Solve the following system of equations. What is the x-value of the solution?

Mathematics

1 answer:

Leni [432]3 years ago

6 0

Answer:

x = 1

Step-by-step explanation:

<u>Step 1: Choose one of the equations to solve for y:</u>

x - y + 1 = 0

(-y) / -1 = (-1 - x) / -1

y = 1 + x

<u>Step 2: Plug in y into either equation</u>

3x + 2(1 + x) = 7

3x + 2 + 2x - 2= 7 - 2

5x / 5 = 5 / 5

x = 1

Answer: x = 1

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