Question

Is (3, –2) a solution for the following system? Yes or No x + y = 1 2x + 3y = 1

Answer 1

NO

Explanation:

Plugging in 3 for X and -2 for Y

X + Y = 12X _ 3Y = 1

3 + -2 = 12*3 + 3 * -2 = 1

1 = 36 + 3 * -2 = 1

1 = 36 + -6 = 1

1 = 30 = 1

So NO, (3, -2) is not a solution.