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How do you solve 5x+2(2x-23)= -154? could you show step by step if possible

Sagot :

kittymaniac
Remember that whatever you do to one side of the equation you must also do to the other. Also, the aim here is to isolate the x in order to find its value. It is also important to note the distributive property of numbers:
a(b + c) = a*b + a*c

5x + 2(2x - 23) = -154      | First, you need to distribute the 2
5x + 2(2x) - 2(23) = -154   
5x + 4x - 46 = -154          | Then combine like terms
9x - 46 = -154                  |Then, add 46 to both sides
9x - 46 + 46 = -154 + 46  
9x = -108                         | Now we will divide by 9 on both sides to isolate x
9x /9 = -108 /9
x = -12

Hope this helps! :)
luana
[tex]5x+2(2x-23)=-154\\\\ 5x+4x-46=-154\ \ \ | add\ similar\ factors\\\\ 9x-46=-154\ \ \ | add\ 46\\\\ 9x=-108 \ \ |divide\ by\ 9 \\\\x=-12\\\\Solution\ is\ x=-12.[/tex]
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