Question

What number must be placed in the box in the equation below to produce an equation that has more than one solution: 4x + 6 + 7x - 9 = 12x - 7 - x + ◼️? Please help, and thank you.

Answer 1

Explanation:

4x+6+7x-9=12x-7-×

4x-3+7x=12x-7

11x-3=12x-7

add the numbers

11x=12x-4

x=4