anonymous
  • anonymous
can someone help me with this problem? 2(w-6.2)+5.4=13.1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
solve for w?
anonymous
  • anonymous
use order of operations backwards
anonymous
  • anonymous
to get everything away from the w The first step is to subtract 5.4 from both sides.

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anonymous
  • anonymous
Do you understand how to continue from there?
anonymous
  • anonymous
okay i think so so like this 15.4=13.1 15.4 15.4
anonymous
  • anonymous
When you subtract 5.4 from both sides you should get: 2(w-6.2)=7.7
anonymous
  • anonymous
I don't understand what you did.
anonymous
  • anonymous
i need like a step by step how to do it. i dont understand how to do this
anonymous
  • anonymous
ok
anonymous
  • anonymous
You start with: 2(w-6.2)+5.4=13.1 You subtract 5.4 from both sides and end up with: 2(w-6.2)=7.7 You divide both sides by 2 and get: w-6.2=3.85 You add 6.2 to both sides to get your final answer of: w=10.05
anonymous
  • anonymous
ok but show me how u did it.
anonymous
  • anonymous
order of operations: parentheses exponents multiplication and division addition and subtraction
anonymous
  • anonymous
I did it backwards because if you start with whatever the value for w is you would first do what's in the parentheses, then multiply then add
anonymous
  • anonymous
so in order to get w, you have to do it backwards.

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