Answer:
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Step-by-step explanation:
For this case we must solve the following system of equations:

We multiply the first equation by -2:
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We add the new equation with the second one:

We have different signs subtracted and the sign of the major is placed:

Now we find the value of the variable "y":

Thus, the solution of the system is given by:
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Answer:
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Answer:
x=-15
Step-by-step explanation:
after we reduce multiply we get -15
Answer:
x = 1/12
1/12 = 0.833
Step-by-step explanation:
to find the value of x
4+ |2-3x| =7
8 - 12x = 7
-12x = 7-8
-12x = -1
x = 1/12
if we write 1/12 in simplest form so
1/12 = 0.833