Question

solve the following problems

3x -4x=12

Answer 1

let solve it

3x - 4x = 12 ( 3x-4x= -x)
-x = 12 (transportation of - 1 of RHS)
x= -12

here is answer hope its help you....

Answer 2

HEY THERE , HERE IS YOUR ANSWER;

3x - 4x = 12

x(3 - 4) = 12

x( -1 ) = 12

-x = 12

x = -12.

HOPE IT HELPS YOu...