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Kipish [7]
4 years ago
11

7X +5 = 3X - 11what is the answer to this and how to do I solve it

Mathematics
2 answers:
Vladimir [108]4 years ago
7 0

Let me answer those two questions in the reverse order.

1).  How it can be solved:

                                       7x + 5  =  3x - 11
Subtract  3x
from each side:            4x + 5  =        - 11

Subtract  5
from each side:            4x         =        - 16

Divide each side
by  4 :                              x          =        - 4


2).  The answer is  x = - 4 .
-4 is called the 'solution' to the equation, because that's the number
that 'X' MUST be.  If it's any other number, then the equation is not
a true statement.
castortr0y [4]4 years ago
4 0
The answer will be x=4. First you subtract 3x from both sides to bring the variable to one side and you get 4x. Then you subtract 5 from both sides and you get -16. Lastly you divide and you get x=4
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