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4(x + 3) = 2x + 8The first step in solving this equation is to expand the brackets on the left hand side. A bracket means that the contents of the bracket should be multiplied by whatever is outside of th...

The crucifixion of Jesus of Nazareth is, for all intents and purposes, the central event of the Christian faith and as such will often play a pivotal role in contemporary expressions of the faith.One way ...

First I would go through the conjugations for ar/er/ir verbs Then I would explain the three things to look out for when identifying a subjunctive sentence:two different subjects in same sentence a relativ...

2x + 14 = 18Whatever you do on one side, e.g. LHS, you do the same on the RHS.-14 from both sides 2x + 14 (-14) = 18 (-14)2x = 4To get x by itself you need to divide it by 2. so you divide LHS and RHS by ...

Ultrasound is not ionising as it is a longitudinal wave whilst X-rays are ionising as they are transverse waves and have very high frequency hence can 'knock' electrons out of their orbit. Doing this can ...