darneseclark
darneseclark
26-02-2018
Mathematics
contestada
-6x+5-4(x-1)=-4x-(5x-3)+4
Respuesta :
garydesir1
garydesir1
26-02-2018
Hello there!
-6x + 5 - 4(x - 1) = -4x - (5x - 3) + 4
We need to use the distributive form
-6x + 5 + (-4)(x) + (-4)(-1) = -4x - 5x + 3 + 4
-6x + 5 - 4x + 4 = -4x - 5x + 3 + 4
-10x + 9 = -9x + 7
Now we can subtract 9 from both sides
-10x + 9 - 9 = -9x + 7 - 9
-10x = -9x - 2
Add 9x to both sides
-10x + 9x = -9x + 9x - 2
-x = -2
We cannot leave it with a negative sign, divide both sides by -1
-x/-1 = -2/-1
x = 2
I hope the steps are clear to understand. If you have any misunderstanding feel free to let me know.
As always, I am here to help!
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