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JulijaS [17]
3 years ago
12

(One step equations) use inverse operations to isolate the variable. 18=-3x

Mathematics
2 answers:
ad-work [718]3 years ago
7 0

Answer:

6

Step-by-step explanation:

divide by 3 on both sides

Sergio [31]3 years ago
4 0
Answer:
6
Have a good day!
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Solve the equation.<br> -9x + 1 = -x + 17
xxMikexx [17]

Step-by-step explanation:

-9x + 1 = -x + 17

collect like terms

-9x + x = 17-1

-8x = 16

divide both sides by -8

-8x/-8 = 16/8

x = 2

4 0
3 years ago
How would I solve 7r=-7/2? I know the answer is -1/2 I just don't understand how to get -1/2 as my answer.
Art [367]
7r=-7/2

divide both sides by 7 to get r by itself

(7r)/(7) = (-7/2)/(7)

if you don't quite see it, think of multiplying both sides by 1/7 instead (its the same thing as dividing by 7)

(7r)*(1/7)=(-7/2)*(1/7)

r=-1/2
7 0
4 years ago
The length of an alligator in a zoo is 14 5/6 feet.The everglades national parks list the longest alligator ever reocord in flor
astraxan [27]

Answer:

The difference in the lengths of the two alligators = 3

Step-by-step explanation:

First, let us make the lengths improper fractions, then we will find the difference from there.

Alligator 1:

Length = 14\frac{5}{12} = \frac{173}{12}

To convert to improper fraction, multiply the denominator by the whole number, and then add the denominator [(12 × 14) + 5]

Alligator 2:

Length = 17\frac{5}{12} = \frac{209}{12}

Now Let us find the difference between the lengths:

\frac{209}{12} - \frac{173}{12} = \frac{36}{12} =3

Therefore the difference in the lengths of the two alligators = 3

3 0
4 years ago
Divide.<br> remainder<br> 20) 74
dusya [7]

3 remainder of 7 i fink

Step-by-step explanation:

8 0
3 years ago
Solve the following equation. 7(x - 2) = 3(x + 4)
scoray [572]

Answer:

x = 6.5

Step-by-step explanation:

You have to apply the distributive property of multiplication:

7(x-2) = 3(x+4)

7x - 14 = 3x + 12

7x - 3x = 12 + 14

4x = 26

x = 6.5

8 0
3 years ago
Read 2 more answers
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