Search over 10,000 free study notes

aw + 3 = 4(bw + 5)    Let's get rid of those brackets...
aw + 3 = 4bw + 20    Now we rearrange...
aw - 4bw = 17        Factorise...
w(a - 4b) = 17        Final rearrange...
w = 17 ...

Giant covalent structures are made up of many covalent bonds between atoms. They have high melting points because it takes a lot of energy to break the strong covalent bonds between the a...

Both these processes involve the movement of molecules from an area of high concentration to low concentration. They are also both passive processes, so happen without the use of chemical energy. However,...

Introduction - Give background to why liberalism was a relevant concept, placing its ascent in the broader context of socio-economic change. Present a clear and coherent sense of your argument, whilst als...

Let's say we have the equation y = 2x + c and we are told that the line passes through the point (3, 4).  Our first step is to use the numbers from the point (3, 4), by substituting them into our equation...