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aksik [14]
3 years ago
14

-13=5(1+4x)-2x With steps

Mathematics
2 answers:
Allushta [10]3 years ago
8 0
-13=5+20x-2x
-13=5+18x
-18=18x
x= -1


patriot [66]3 years ago
7 0

How to get answer by Mimiwhatsup:

\mathrm{Switch\:sides}\\5\left(1+4x\right)-2x=-13\\\mathrm{Expand}\:5\left(1+4x\right):\quad 5+20x\\5+20x-2x=-13\\\mathrm{Add\:similar\:elements:}\:20x-2x=18x\\5+18x=-13\\\mathrm{Subtract\:}5\mathrm{\:from\:both\:sides}\\5+18x-5=-13-5\\Simplify\\18x=-18\\\mathrm{Divide\:both\:sides\:by\:}18\\\frac{18x}{18}=\frac{-18}{18}\\Answer: x=-1

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