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Mathematics
Jessie Paul
27 April, 15:28
What is the value of x?
x + 5 = - 6x - 16
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Hyrum
27 April, 16:16
0
X + 5 = - 6x - 16
add 16 to both sides
x+21 = - 6x
add 6x to both sides
7x+21=0
factor out the seven
7 (x+3) = 0
if 7 times (x+3) = 0 then (x+3) must equal zero because 7 times 0 is 0
so x+3=0
subtract three from both sides
x = - 3
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Stuart
27 April, 17:49
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Get all the x's on one side and everything else on the other side
x + 6x = - 16 - 5
7x = - 21
then divide by 7
x = - 3
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