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Anonymous
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Do you keep brackets until nothing is left to work out?
Yes

Inside brackets, what do you work with first?
Powers

In formulae, ,if you subtract from one side of the equals sign, must the other side have been subtracted to be even?
Yes

In formulae, if you add from one side of the equals sign, must the other side have been added on to be even?
Yes

Powers mean..
(a) Multiply together. NOT add.
(b) Add. NOT multiply together
(a) Multiply together. NOT add.

