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Alex Ar [27]
3 years ago
14

What is 2\3y plus y minus 4 equals 31

Mathematics
2 answers:
steposvetlana [31]3 years ago
8 0

Hi


2/3 y+y-4=31

Simplify both sides of the equation

2/3 y-4=31

Combine like terms

(2/3 y+y)+(-4)=31

5/3 y-4=31

Add 4 to both sides

5/3 y-4+4=31+4

5/3 y=35

Multiply both sides 3/5

(3/5)*(5/3 y)=(3/5)*35

y=21


I hope that's help !

PIT_PIT [208]3 years ago
8 0
Alright let's add like terms and we get 5/3y=35. Now we can multiply each side by 3/5 (reciprocal) and y=21
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Suppose that a large mixing tank initially holds 400 gallons of water in which 70 pounds of salt have been dissolved. Pure water
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Step-by-step explanation:

Given that a large mixing tank initially holds 400 gallons of water in which 70 pounds of salt have been dissolved. Pure water is pumped into the tank at a rate of 4 gal/min, and when the solution is well stirred, it is then pumped out at the same rate.

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7 0
2 years ago
The graph of a linear equation passes through three of these points: (0, 5), (2, 2), (3, 1), and (4, -1). The point that the gra
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Can someone help me please
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Answer:

is it from a textbook

Step-by-step explanation:

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