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30-2=28 so 2x=28 28 divided by 2=14, so x is 14

Q: PLEASE HELP 2x plus 2 30 Write an equation to solve for x?

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It combines like terms and results in the least amount if variables to solve for

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It tells you the order in which the equation needs to be simplified.

If you don't know something in a math equation you can replace it with a variable and then solve it algebraically.

Solve it as you would normally. I could help if I had the equation. :) Fractions don't really change much; they just make the problem look more difficult.

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You can write an equivalent equation from a selected equation in the system of equations to isolate a variable. You can then take that variable and substitute it into the other equations. Then you will have a system of equations with one less equation and one less variable and it will be simpler to solve.

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You can take the logarithm on both sides of an equation. The real trick is to figure out when this will help you to solve the equation, and when not.

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It combines like terms and results in the least amount if variables to solve for

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A proper question would help.

It tells you the order in which the equation needs to be simplified.

If you don't know something in a math equation you can replace it with a variable and then solve it algebraically.

Solve it as you would normally. I could help if I had the equation. :) Fractions don't really change much; they just make the problem look more difficult.

I guess you mean an equation written in function notation, for example: f(x) = 3x + 2 For the purposes of doing math, it may help to think of this as an alternative way of writing, for example (using the function above): y = 3x + 2 It isn't clear from the question what you want to "solve", but if you write the equation this way, it might become a bit less confusing.