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In a survey people had to choose either A, B, C or D.
The percentage of people that chose B, C and D are shown here:
B- 25%
C- 35%
D- 30%
Expand and simplify (5x – 2y)(3x – 4y)
In this question, we are asked to 'expand' out the brackets. What this means is we need each term in one set of brackets (5x and -2...
Let's use an example.
x+y=6
2x+3y=14
Find the values of x and y.
When I was kid back then, I was always wondering why are equations important? We...
The Pythagoras Theorem equation is:
a2 + b2 = c2
It is used to calculate an unknown side of a right angled triangle. a, b and c represe...
To simplify an equation the x terms can be collected together to give: 4x + 5x - 2x = 7x
The numbers can be collected together to give: -2 + 7 = 5
Which then when put togeth...
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