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Algebra Problems.. Help?


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Hey, I'm not the greatest whizz kid at maths but i know my bit.

I've recently been having problems with Algebra, Well, To be honest i've never really grasped the true concepts of Algebra, I know a fair bit, Although i get kind of confused on a certain type of equation.

Eg. If X=9, Then what is 17X + 7.

 

If anyone can give me a brief explanation on how to solve these and what units to use, That would be awesome and would really help out when my SATS come along in May.

 

Thanks,

Ben.

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160 is the answer

 

basically think of it like a puzzle your given 17x + 7 (the part of the puzzle that they gave you) and then they gave you another clue and thats x=9

 

so using order of operations: im assuming you know what that is you replace the x with (9) so this is what the equation will look like with the clue in it

 

17(9) + 7

 

Im also assuming that you know that two numbers side to side mean that you need to multiply them so the equation is

 

17x9+7

 

multiply 17 and 9 and you get 153

 

then whats left is

 

153+7

 

add them

 

160 (your answer)

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