Question

Find the missing number so that the equation has infinitely many solutions.

(the number should be where the pass is)
5х +__- 10х= -5х - 19​

Answer 1

Answer: -19

Explanation:

5x + _ - 10x = -5x - 19 Combine Like Terms

-5x + _ = -5x - 19 Add 5x to both sides

_ = -19

The answer is -19 because in order to have an infinite amount of solutions both sides of the equations have to be equal to eachothers