tolong Bantu ini

<p>Jawaban</p><p>Diketahui:</p><p>• A = ( 3 &nbsp;x )<br>( 2 &nbsp;4 )</p><p>• B = ( y &nbsp;3 )<br>( -1 -x )</p><p>• C = ( 26 &nbsp;10 )<br>( 12 &nbsp;-4 )</p><p>2AB = C</p><p>Maka:</p><p>2 * ( 3 &nbsp;x ) * ( y &nbsp;3 ) = ( 26 &nbsp;10 )<br>( 2 &nbsp;4 ) &nbsp; ( -1 -x ) &nbsp; ( 12 &nbsp;-4 )</p><p>2 * ( (3y)+(x-1) &nbsp;(33)+(x-x) ) = ( 26 &nbsp;10 )<br>( (2y)+(4-1) &nbsp;(23)+(4-x) ) &nbsp; ( 12 &nbsp;-4 )</p><p>2 * ( 3y-x &nbsp;9-x² ) = ( 26 &nbsp;10 )<br>( 2y-4 &nbsp;6-4x ) &nbsp; ( 12 &nbsp;-4 )</p><p>( 6y-2x &nbsp;18-2x² ) = ( 26 &nbsp;10 )<br>( 4y-8 &nbsp;12-8x ) &nbsp; ( 12 &nbsp;-4 )</p><p>Maka:</p><p>• 6y-2x = 26</p><p>• 18-2x² = 10</p><p>• 4y-8 = 12</p><p>• 12-8x = -4</p><p>Dari persamaan 4y-8 = 12, didapat y = 5.</p><p>Substitusikan y = 5 ke persamaan 6y-2x = 26, didapat x = 2.</p><p>Jadi, y - x = 5 - 2 = 3</p><p>Jawaban: E. 3</p>