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twice a number is equal to seven more than four times the number

Sagot :

Konrad509idn
[tex]2x=4x+7\\ 2x=-7\\ x=-\frac{7}{2}[/tex]
[tex]x-the\ number\\\\2x=4x+7\ \ \ \ |-4x\\\\-2x=7\ \ \ \ \ |:(-2)\\\\x=-\frac{7}{2}\\\\x=-3.5[/tex]
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