<PRE><B>Question 668728</B>
THIS IS AN EXAMPLE FOR YOU TO STUDY  AND UNDERSTAND YOUR PROBLEM
43=7-3X
43-7=7-3X-7===========SUBTRACT 7 FROM EACH SIDE
36=-3X
36 DIVIDED BY -3=-3X DIVIDED BY-3======ISOLATE THE VARIABLE
      -12=X=========================DIVIDE EACH SIDE BY -3
SUBSTITUTE YOUR SOLUTION INTO THE ORIGINAL PROBLEM
 CHECKING YOUR PROBLEM
43=7-3(-12)
43=7+36
43=43</PRE>