whats the value of y? 3(4y+8)=-12

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30-09-2015
Mathematics

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whats the value of y? 3(4y+8)=-12

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Exvited Exvited · Answer 1 · 2015-09-30T20:14:22+02:00

3(4y + 8) = -12

First, divide both sides by 3. / Your problem should look like: [tex]4y + 8 = -\frac{12}{3} [/tex]
Second, since 4 goes into 3 to get 12, simplify [tex] \frac{12}{3} [/tex] to 4. / Your problem should look like: [tex]4y + 8 = -4[/tex]
Third, subtract 8 from both sides. / Your problem should look like: [tex]4y = -4 - 8[/tex]
Fourth, subtract -4 - 8 to get -12. / Your problem should look like: [tex]4y = -12[/tex]
Fifth, divide both sides by 4. / Your problem should look like: [tex]y = -\frac{12}{4} [/tex]
Sixth, simplify [tex] \frac{12}{4} [/tex] to 3. / Your problem should look like: [tex]y = -3[/tex]

Answer: y = -3

Аноним Аноним · Answer 2 · 2015-10-03T02:18:16+02:00

Аноним Аноним

03-10-2015

3(4y+8)=−12

(3)(4y)+(3)(8)=−12(Distribute)

12y+24=−12

Subtract 24 from both sides.

12y+24−24=−12−24

12y=−36

Divide both sides by 12.

12y/12=−36/12

y=−3

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