4/5x + 7= 10 what's the value of x?

Mathematics

1 answer:

GREYUIT [131]2 years ago

3 0

Answer:

15/4

Step-by-step explanation:

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Factor and solve the equation

murzikaleks [220]

$y=4x^2-64=4(x^2-16)=4(x^2-4^2)=4(x-4)(x+4)\\\\-------------------------------\\\\4(x-4)(x+4)=0\iff x-4=0\ or\ x+4=0\\\\x=4\ or\ x=-4$