ethansd122 ethansd122
  • 01-10-2018
  • Mathematics
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i need to remember how to solve this problem

i need to remember how to solve this problem class=

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Аноним Аноним
  • 01-10-2018

You have to move all terms involving the variable on one side, and all constant terms on the other side.

To move a term from a side to the other, you have to change its side.

So, for example, if you move 4x from left to right, it will become -4x (you're actually subtracting 4x from both sides):

[tex] 1 = -5+7x-4x = -5+3x [/tex]

Similarly, add 5 to both side to get

[tex] 1+5 = 3x \iff 3x = 6 [/tex]

Finally, divide both sides by 3:

[tex] x = 2 [/tex]

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