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hichkok12 [17]
2 years ago
12

I know the answers but i need the work. plz help

Mathematics
1 answer:
inysia [295]2 years ago
5 0
For number 3.

You add 8 to both sides as you need to separate the variable

4x-8=32
+8 +8

4x=32

now divide 32 by 4

x=8

for number 4

you use pemdas to multiply the parenthisis

2(x-5)=-20

(2•x)-(2•5)

2x-10=-20

then add 10 to both sides

2x-10=-20
+10 +10

2x=10

divide 10 by two

x=5


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2 years ago
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Helppppppppppppppppppp
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Hey there! :D

Remember that the question said estimate. 

So 

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