The value of x is -2 or negative 2
And the answer for 3x+2 is -4 or negative 4
And 7+(-2)=5
The value would be -4.
Since 7+ (-2)= 5, you would have to do -2 x 3 to get -6 then you would subtract 2 since the numbers -6 and 2 have different signs. Hope this helps. Happy Thanksgiving.
