SOLUTION: I have several problems if you may help with. The following equations, I have to solve for x. And I cant remember the steps ,I am totally lost. 1.) 17x - 42 = -39

Algebra ->  Equations -> SOLUTION: I have several problems if you may help with. The following equations, I have to solve for x. And I cant remember the steps ,I am totally lost. 1.) 17x - 42 = -39       Log On


   

Question 374484: I have several problems if you may help with. The following equations, I have to solve for x. And I cant remember the steps ,I am totally lost.
1.) 17x - 42 = -39
2.) 7x - 2 = 5x + 10
3.) 3x - 1 - x = 3x + 5
4.) -4(x + 7)= -16
5.) 5(x + 3) = 7(x - 5)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
I'll do the first two to get you started.

# 1

17x-42=-39 Start with the given equation.


17x=-39%2B42 Add 42 to both sides.


17x=3 Combine like terms on the right side.


x=%283%29%2F%2817%29 Divide both sides by 17 to isolate x.


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Answer:

So the solution is x=3%2F17

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# 2

7x-2=5x%2B10 Start with the given equation.


7x=5x%2B10%2B2 Add 2 to both sides.


7x-5x=10%2B2 Subtract 5x from both sides.


2x=10%2B2 Combine like terms on the left side.


2x=12 Combine like terms on the right side.


x=%2812%29%2F%282%29 Divide both sides by 2 to isolate x.


x=6 Reduce.


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Answer:

So the solution is x=6


If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website

Jim