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a) Solving for t:
We isolate our unknown t on one side, to leave the factors of t on one side and the numbers on the other:
-1st step: substract 17 from both sides --> 5t = -15
-2nd s...

With ratio questions we first have to look at the ratio split that the question wants. In this case is is 2:1, first sum up the two numbers that make the ratio, 2 and 1, to get 3. Then divide the number t...

To start, i would put all the x's on one side of the equation and the two numbers on the other side of the equation. However be careful when moving the 3 as when we move it over the equals symbol its sign...

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To break this down easily we can use a technique called a 'Farmers Field' !

Drawing a box with a cross through the middle to make 4 mini boxes, we can then use each mini box to write out each part ...