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julsineya [31]
3 years ago
10

7 times a number is equal to 12 more than three times the number. Find the number.

Mathematics
1 answer:
Sonja [21]3 years ago
6 0
7x=3x+12 
-3x  -3x
4x=12
x=3
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Helpppppp!!!!!!!!!!and explain too
olga2289 [7]

Answer:

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Which amount is the greatest
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Read 2 more answers
For each value of y, determine whether it is a solution to 12 = 2y +8.<br> Is it a solution
grin007 [14]

Answer: 2(0) + 8 does not equal 12, not a solution.

2(2) +8 = 12 yes it is a solution

2(-3) + 8 does not equal 12, not a solution

2(5) + 8 does not equal 12, not a solution.

Step-by-step explanation:

Looks like you need to plug in each y value given and multiplied by 2 and add 8

2(0) + 8 does not equal 12, not a solution.

2(2) +8 = 12 yes it is a solution

2(-3) + 8 does not equal 12, not a solution

2(5) + 8 does not equal 12, not a solution.

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3 years ago
Chang spent $16
alexandr1967 [171]

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Step-by-step explanation:


8 0
3 years ago
It wants me to find the degree of FJE and FJH but these confuse me
ELEN [110]
Here, EJI + FJE = 180    [ Linear-Pair Equation ]
FJE + 135 = 180
FJE = 180 - 135
FJE = 45

Now, FJH + FJE = 180  [Linear-Pair Equation ]
FJH + 45 = 180
FJH = 180 - 45
FJH = 135

Hope this helps!
8 0
3 years ago
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