![image](https://tex.z-dn.net/?f=x%20%5Cdiv%207%20%3D%2084%20%3C%20%3D%20%3E%20x%20%3D%2084%20%5Ctimes%207%20%3D%20588)
x = 84 \times 7 = 588" alt="x \div 7 = 84 < = > x = 84 \times 7 = 588" align="absmiddle" class="latex-formula">
![image](https://tex.z-dn.net/?f=84%20%5Cdiv%20x%20%3D%2014%20%3C%20%3D%20%3E%20x%20%3D%2084%20%5Cdiv%2014%20%3D%206)
x = 84 \div 14 = 6" alt="84 \div x = 14 < = > x = 84 \div 14 = 6" align="absmiddle" class="latex-formula">
![image](https://tex.z-dn.net/?f=x%20%5Ctimes%209%20%3D%20216%20%3C%20%3D%20%3E%20x%20%3D%20216%20%5Cdiv%209%20%3D%2024)
x = 216 \div 9 = 24" alt="x \times 9 = 216 < = > x = 216 \div 9 = 24" align="absmiddle" class="latex-formula">
![image](https://tex.z-dn.net/?f=x%20%2B%2052%20%3D%20208%20%3C%20%3D%20%3E%20x%20%3D%20208%20-%2052%20%3D%20156)
x = 208 - 52 = 156" alt="x + 52 = 208 < = > x = 208 - 52 = 156" align="absmiddle" class="latex-formula">
![image](https://tex.z-dn.net/?f=45%20%5Ctimes%20x%20%3D%20180%20%3C%20%3D%20%3E%20x%20%3D%20180%20%5Cdiv%2045%20%3D%204)
x = 180 \div 45 = 4" alt="45 \times x = 180 < = > x = 180 \div 45 = 4" align="absmiddle" class="latex-formula">
![image](https://tex.z-dn.net/?f=807%20-%20x%20%3D%20708%20%3C%20%3D%20%3E%20x%20%3D%20807%20-%20708%20%3D%2099%20)
x = 807 - 708 = 99 " alt="807 - x = 708 < = > x = 807 - 708 = 99 " align="absmiddle" class="latex-formula">