Answer:
Explanation:
first you put an equal sign in between both of the expressions, then you find X which is 0
7x-4=6x-4
7x - 6x=4 - 4
x=0
Now change x in each expression into 0
7[0] - 4= -4
6[0] - 4= -4
This show us that both of the expressions are equal.