shan4897
shan4897
30-11-2016
Mathematics
contestada
The solution of the equation 5-2x=-4x-7 is?
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Аноним
Аноним
30-11-2016
change the subtraction to add 2x plus -4x
5=-4x (+2x)-7
5=-2x-7
since the x's are now on one side and we can't do anything with 5, on the other side you change -7 to add to the other side.
5 (+7)= -2x
12= -2x
divide -2 by 12.
-6 = x
Answer Link
ft790
ft790
30-11-2016
-2x+4x=-7-5
2x=-12
X=-12/2
X=-6
Answer Link
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