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Princessamira
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Kian thinks of a number, x, multiplies it by 4 then subtracts 9, the result is 27 Write and so,ve an equation to show this information and to find the number that Kian first thought of?
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username4504428
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(27-9)÷4=x

x=2.5
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Loci Pi
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(Original post by Princessamira)
Kian thinks of a number, x, multiplies it by 4 then subtracts 9, the result is 27 Write and so,ve an equation to show this information and to find the number that Kian first thought of?
4x-9=27

Solving:
4x=36
x=9
So the number Kian was thinking of was 9.
Last edited by Loci Pi; 3 weeks ago
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