Question

Solve using substitution.

Answer 1

The answer is 2

Explanation:

5x + 7y = -11

y = -3

Now, put the value of y in the given equation we get,

5x + 7y = -11

5x + 7(-3) = -11

5x - 21 = -11

5x - 21 + 21 = 21 - 11

5x = 10

5x/5 = 10/5

x = 2

Thus, The value of x is 2