3 years ago

What is the algebraic expression for 12 less one fourth of a number

Mathematics

2 answers:

natulia [17]3 years ago

6 0

12 - 1/4n

90% sure this is right

Kitty [74]3 years ago

3 0

12-1/4-m you sutract 12 1/4 and any letter you want

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grigory [225]

$D:x+2\neq0\to x\neq-2\ and\ x-3\neq0\to x\neq3\\\\\frac{3}{x+2}+\frac{4}{x-3}=\frac{3(x-3)}{(x+2)(x-3)}+\frac{4(x+2)}{(x+2)(x-3)}=\frac{3(x)+3(-3)+4(x)+4(2)}{(x)(x)+(x)(-3)+(2)(x)+2(-3)}\\\\=\frac{3x-9+4x+8}{x^2-3x+2x-6}=\boxed{\frac{7x-1}{x^2-x-6}}$