3 years ago

Plzzz help and show working out DONT JUST PUT THE ANSWER Ignore my working out

1 answer:

3 0

$4(2x-1)+3(2x+5)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(4)(2x)+(4)(-1)+(3)(2x)+(3)(5)\\\\=8x-4+6x+15\qquad\text{combine like terms}\\\\=(8x+6x)+(-4+15)\\\\=\boxed{14x+11}$

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(1/3)y2 + 12 = 5x where x = 3

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If x=3
(1/3)y2+12=15
(1/3)y2=15-12
(1/3)y2=3
y2=3*3
y2=9
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Plzzz help and show working out *DONT JUST PUT THE ANSWER* Ignore my working out

Plzzz help and show working out DONT JUST PUT THE ANSWER Ignore my working out