Total surface area? Help.
2 answers:
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Answer:
21 = 6 - <em>x</em> - 4<em>x</em>
simplify 6-x-4<em>x</em> to 6-5<em>x</em>
21 = 6-5<em>x</em>
subtract 6 from both sides
21-6 = -5<em>x</em>
simplify 21 - 6 to 15
15 = -5<em>x</em>
divide both sides by -5
= <em>x</em>
simplify to 3
-3 = <em>x</em>
switch sides
<em>x</em> = -3
Step-by-step explanation:
Looking at the question we can see that it says:
We should know what these symbols mean:
stands for something less than the other, for example:
We can say that 2 is less than 5 so in a symbolic form it can be written as,
Similarly,
stands for something greater than the other, for example:
We can say that 7 is greater than 5, in a symbolic form it can be written as,
So here, means that, 42153 is greater than 35214.