3 years ago

If -3(y-1)=9 find the value of 1/2y

Mathematics

1 answer:

Sveta_85 [38]3 years ago

4 0

Answer:

-1

Step-by-step explanation:

y-1=-3

y=-2

.:1/2y=1/2(-2)=-1

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Factors of x2 – 3x + 2 are hy

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3 years ago

Read 2 more answers

Y/3 + 8 = -2 solve for y a. -30 b. -18 c. 18 d. 30

Rainbow [258]

Answer:

$\large\boxed{a.\ -30}$

Step-by-step explanation:

$\dfrac{y}{3}+8=-2\qquad\text{subtract 8 from both sides}\\\\\dfrac{y}{3}+8-8=-2-8\\\\\dfrac{y}{3}=-10\qquad\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup^1\cdot\dfrac{y}{3\!\!\!\!\diagup_1}=(3)(-10)\\\\y=-30$

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