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sergeinik [125]
4 years ago
7

WHAT IS THE VALUE OF X

Mathematics
1 answer:
drek231 [11]4 years ago
7 0
Check the picture below.

\bf \stackrel{(x+4)+1}{(x+5)}(x+4)=\stackrel{(x+1)+11}{(x+12)}(x+1)\implies x^2+9x+20=x^2+13x+12
\\\\\\
9x+20=13x+12\implies 8=4x\implies \cfrac{8}{4}=x\implies 2=x

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