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Q. Find the value of x.
2x + 5 = 25

The = is treated like a mirror line.
So the +5 becomes -5 when it moves over the other side.
25 ­ 5 = 20
So the equation becomes
2x = 20
To get x on its own we…

Page 2

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Practice Q 1
Answer =
x=7


Practice Q 1
Answer =
x=8

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