Notes
Cheat sheet
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Page 1
2x +5=11
__3
= 2x+5 x 3= 11x3
____3
= 2x +5-5=33-5
= 2x = 28
__ 2 ___2
x= 14
7x+6 -9= -12
_ 3
= 7x+6 -9+9=-12+9
-----3
=7x+ 6 x 3= -3 x 3
_ __3
= 7x + 6 - 6= -9 - 6
= 7x = -15
= 7x = -15
__7_____7
x= -15 or -2 1
_____7 ______ 7
*always get rid of the number thats by itself*
Whatever is done to one side has to be done to the other
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- Note on Cheat sheet, created by Cate Rausz on 25/08/2015.
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- Cate Rausz
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