rylafry rylafry

03-12-2021
Mathematics

contestada

-28=-7(3x+4)+21x thank you to anyone who helps

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loneguy loneguy

03-12-2021

[tex]-28=-7(3x+4)+21x\\\\\implies -21x -28 +21x = -28\\\\\implies -28 =-28\\\\\text{The equation is true for all x.}[/tex]

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