Question

Fill in the box to make the equation true.
7x- something +5x=6x

Answer 1

Answer:

The missing value is

6x

Step-by-step explanation:

Let the unknown value be y

$7x-y +5x=6x$

Group like terms and simplify

$-y =6x -7x -5x\\\\-y = -6x\\\\y =6x$

So...

$7x -6x +5x =6x\\6x =6x$