3x + 2y = 39
-3x -3x
2y = 39-3x
— ———
2 2
y= 19.5 - 3x/2
plug (19.5 - 3x/2) for y
1.5x - 2(19.5 - 3x/2)= 39
x= 17.33333333334
Answer:
You can tell whether or not something is positive or negative by looking at the specific number for example if you look at this number -5 you know its a negative number because it has a - sign.Although when its positive it does not have any kind of format of signs according to my calculations.
Hope this helps!
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They are right might have to take a few sec
Answer: 4x + 8 = 12
Step-by-step explanation: U combine 3x + 4x - 3x = 4x and just add 8 add 12 to the equation