Solve 6x + 4 = 4x - 2
Choose the correct answer:  A) 2  B) 3  C) 5  D) 1  E) 8
Sol.   6x + 4 = 4x - 2   =&gt; 6x – 4x = 4 - 2= 
<gadget id="calculator">4 - 2</gadget>
<output>2</output>
&gt; 2x= 2 =&gt; x = 1   Answer 1
<result>D</result>
Solve 6x + 4 = 4x - 2