JayJJ
JayJJ
14-12-2017
Mathematics
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areled923
areled923
14-12-2017
4) 18=x+3x+2
-2 -2
14= 4x
x=7
5) 12h-6=138
+6. +6
12h=144
h=12
6) -3x-4x+16=2
-16. -16
-7x=-14
x=+2
7) -5(7x+1)=36
-35x-5=36
+5. +5
-35x=41
x=-1.17142857142
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