Respuesta :
Answer:
Step-by-step explanation:
3-x-3x=5
first combine like terms
3-4x=5
-4x=2
divide each side by -4
x=2/-4 or -1/2 or -0.5
Answer:
x = -0.5
Step-by-step explanation:
We are given the equation 3 - x - 3x = 5, and we need to solve for x.
First, let's isolate the variable, which means to bring all the non-x terms to one side and all the x terms to the other side. To do so, subtract 3 from both sides:
3 - x - 3x = 5
-x - 3x = 5 - 3
-x - 3x = 2
Now, we need to combine -x and -3x. Remember that this is basically the same thing as:
- (x + 3x) = - (4x) = -4x
So, -x - 3x = -4x
Set this equal to 2:
-4x = 2
Divide both sides by -4:
x = 2 / (-4) = -1/2 = -0.5
Therefore, the answer is -0.5.
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