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Mathematics
22 February, 06:40
X - 3 greater than 7
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Kathryn Ashley
22 February, 06:44
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X - 3 > 7
x > 7 + 3
x > 10
answer x > 10
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Livia
22 February, 06:45
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First, let's work on the left hand side of your inequality, the x-3
This means, for instance, to see if it can be simplified at all.
x-3 evaluates to x-3So, all-in-all, the left hand side of your inequality can be written as: x-3Now, let's work on the right hand side of your inequality, the 7
The right hand side of your inequality can be written as: 7 So with these (any) simplifications, the inequality we'll set out to solve is:
x-3 7
Move the - 3 to the right hand side by adding 3 to both sides, like this:
To the left hand side:
-3 + 3 = 0 The answer is x To the right hand side:
7 + 3 = 10
Now, the inequality reads:
x>=10
To isolate the x, we have to divide both sides of the inequality by the other "stuff" (variables or coefficients)
around the x on the left side of the inequality.
and this is the final solution to your inequality.
The answer is 10
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