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sveta [45]
3 years ago
10

( variable son both sides of an equation)

Mathematics
2 answers:
zaharov [31]3 years ago
5 0
Start by adding 20 to both sides to isolate '7b'. This gives you 7b = 3b + 32.

Next, Subtract 3b from both sides in order to make it so that the variable, which is 'b' in this case, is on one side of the equation.

This gives you 4b = 32.

Now divide both sides by 4 to cancel out 4b (opposite of multiplication is division).

This brings you to the answer b = 8 (32 divided by 4 is 8).

Hope this helps.
padilas [110]3 years ago
4 0
B=8 i hope this helps!!
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Artyom0805 [142]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
What positive whole number can you multiply by 3 and add1,or multiply by 2 and add 8?
Vilka [71]

Answer:

7 is the positive whole number which we can multiply by 3 and add 1, or multiply by 2 and add 8; and it will give the same answer.

Step-by-step explanation:

Multiplying the positive whole number 7 by 3 and adding 1 will get:

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Multiplying the positive whole number 7 by 2 and adding 8 will get:

(7 × 2) + 8 = 14 + 8 = 22

Therefore, 7 is the positive whole number which we can multiply by 3 and add 1, or multiply by 2 and add 8; and it will give the same answer.

3 0
3 years ago
The table shows the number of students in a class who play on a school team and/or are members of a school club:
eimsori [14]
This one is very simple.

create a simple equation to find out

15 = 12 + x

subtract 12 from each side

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the missing number is 3

or, to be even simpler, take the total, subtract the total from the number you know and the difference is the missing number.

hope I helped



ALSO, we can check going down vertically. 3 + 10 =13. this is the total listed at the bottom.
3 0
3 years ago
A factory makes 12 bikes in 3 hours. If it keeps making bikes at the same rate, how many bikes will it have made in 8 hours? (HI
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Answer:32

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4 0
3 years ago
Toby invested £7500 for 2 years in a savings account. he was paid 4% per annum compound interest. how much money did Toby have a
Oduvanchick [21]
A=7,500×(1+0.04)^(2)
A=8,112
7 0
3 years ago
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