In the solution of the equation 5 minus 3X equals 2X +9, 3X is added to the equation 1st. Which of the following should be done
next? Add -9, add -5, Add -2X
2 answers:
well it should be add -9
5-3x=2x+9
+3x=+3x
5=5x+9
+-9 +-9
-4=5x
x=4/5
You could do any of those, but I would do Add -9 then the equation is -4=5x then divide everything by 5 then x = -.8
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