If a x - 1 = b x - 3 , then the value of x is: b a

• A. <table class="ga-tbl-answer" cellpadding="0" cellspacing="0"> <tbody><tr class="ga-tr-divident" align="center"> <td class="ga-td-divident">1</td> </tr> <tr class="ga-tr-divisor" align="center"> <td class="ga-td-divisor">2</td> </tr> </tbody></table>
• B. 1
• C. 2
• D. <table class="ga-tbl-answer" cellpadding="0" cellspacing="0"> <tbody><tr class="ga-tr-divident" align="center"> <td class="ga-td-divident">7</td> </tr> <tr class="ga-tr-divisor" align="center"> <td class="ga-td-divisor">2</td> </tr> </tbody></table>