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erastova [34]
3 years ago
10

How do you solve 3(6+5y)=2(-5+4y)

Mathematics
2 answers:
meriva3 years ago
8 0

Answer:

multiply out using the distributive property

18+15y=-10+8y

make it so that common terms are on one side

15y-8y=-10-18

simplify

7y=-28

solve for y

y=-28/7

y=-4

Maslowich3 years ago
7 0

Answer: y=-4

Step-by-step explanation:

3(6+5y)=2(-5+4y) Distribute 3 and 2

18+15y=-10+8y subtract 18 and 8y both sides

7y=-28 divide by 6 both sides

y=-4

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6 0
3 years ago
10% of what number is 78?
Zepler [3.9K]

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Step-by-step explanation: Well <u><em>percent</em></u> means <em>over 100</em> so we can set up an equation for this problem by reading it from left to right.

So we know that <u><em>10%</em></u> means <em>10/100</em>, <u><em>of</em></u> means times, <em><u>what</u></em> <em><u>number</u></em> means <em>x</em>, <u><em>is</em></u> means <em>equals</em>, and <em><u>12</u></em> means 12.

Notice that <em>10/100</em> can be reduced to 1/10.

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Now let's check our answer back in the original problem to see if it makes sense.

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Image provided showing my work.

5 0
2 years ago
Read 2 more answers
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