<span><span><span>5x</span>+45</span>=1605</span>Subtract 45 from both sides.<span><span><span><span>5x</span>+45</span>−45</span>=<span>1605−45</span></span><span><span>5x</span>=1560</span>Divide both sides by 5.<span><span><span>5x</span>5</span>=<span>15605</span></span><span>x=<span>312
Factor 7 x 7 x out of 14 x 2 14 x 2 . 7 x ( 2 x ) − 21 x 7 x 2 x - 21 x Factor 7 x 7 x out of − 21 x - 21 x . 7 x ( 2 x ) + 7 x ( − 3 ) 7 x 2 x + 7 x - 3 Factor 7 x 7 x out of 7 x ( 2 x ) + 7 x ( − 3 ) 7 x 2 x + 7 x - 3 . 7 x ( 2 x − 3 )
