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First off, you would start by substituting in the numbers that you already know.
Therefore you get: 35 = u + (4 x 5)
Remembering BODMAS you would then look at the equation and solve the bracket...

Firstly, how many electrons does nitrogen have in its outer shell?... Nitrogen is in group 5, so 5.How many more electrons does nitrogen need to give it a full outer shell?... 8 electrons provide a full o...

The Triumphalist school of historical thought will argue that it was President Reagan's policies that forced the end of the Cold War. His massive increase in defence spending (about a 50% increase in the ...

numerator/denominator
First we need to find the common denominator (a number that can be divided by both 3 and 4)
3 x 4 = 12 (so our new, common, denominator is 12)
Whatever we do to the bo...

One basic method used here, when you have an equation and you add, subtract, multiply or divide one side of the equation from the equal sign, you must add, subtract, multiply or divide by the same value o...