U would solve this by subbing in ur answer choices to see which ones make the equation true.
ur answer is : (-1,-8) , (0,-3), (3,12)
The greatest common factor is 4
The value for x is 9 because:
7x +49 = 2x + 94
7x-2x=45
5x=45
x=45/5
x=9
The expanded form for this problem is <span><span> 200,000 </span><span>+90,000 +30,000</span><span>+7,000 </span><span>+50 </span><span>+8<span> </span></span></span>