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16-10-2020
Mathematics

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4x - 3 = 6x + 9 linear equations

Respuesta :

16-10-2020

first, we have to get the variable to one side of the equation, which can be done with simple subtraction.

4x -3 (-6x) = 6x + 9 (-6x)
-2x -3 = 9

now just solve as a regular equation:
-2x - 3 = 9
-2x = 12
x = -6

so, x is equal to -6

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