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netineya [11]
3 years ago
11

Solve the equation. –3x + 1 + 10x = x + 4

Mathematics
2 answers:
SIZIF [17.4K]3 years ago
4 0

First, simplify. Combine like terms

10x - 3x = 7x

7x + 1 = x + 4

Isolate the x. Subtract x from both sides, and 1 from both sides

7x (-x) + 1 (-1) = x (-x) + 4 (-1)

7x - x = 4 - 1

Simplify

6x = 3

Isolate the x. Divide 6 from both sides

6x/6 = 3/6

x = 1/2

1/2, or 0.5 is your answer for x.

hope this helps

stepan [7]3 years ago
3 0
-3x + 1 + 10x = x + 4

7x + 1 = x + 4
-x -x

6x + 1 = 4
-1 -1

6x=3
÷6 ÷6

x= 0.5

sorry it's confusing im only good at math not explaining
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An oxygen tank contained 212 12/3 liters of oxygen before 27 1/3 liters were used. If the tank can hold 240 3/8 liters, how much
lukranit [14]
So, initially   240\frac{3}{8} -212 \frac{12}{3} were empty:

this is :

240  \frac{3}{8} - 212  \frac{12}{3}  = 240  \frac{3}{8} - 212  +4 = 240  \frac{3}{8} - 216= 24  \frac{3}{8}

12/4 is 4 so that's why i substituted it with 4.

now, later 27 1/3 were used so we add this tho the original empty space

 24  \frac{3}{8}+ 27  \frac{1}{3} =  24  \frac{9}{24}+ 27  \frac{8}{24} = 51  \frac{17}{24}


which is the result!





5 0
3 years ago
Marco's dog, Spot eats 5 cups of food every 3 days. Jack'a dog. Taco eats 10 cups of food every 5 days. Is the ratio of cup to d
marysya [2.9K]
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4 0
3 years ago
Find L when P= 24 and W = 6.<br> P = 2L+ 2W (perimeter of a rectangle)<br> L =
Anon25 [30]

Answer:

6

Step-by-step explanation:

24 = 2L + 2(6), multiply...

24 = 2L + 12, subtract 12 to both sides...

12 = 2L, divide 2 to both sides to isolate the varibale L

6 = L

Therefroe, L = 6

8 0
3 years ago
Factor x3 – 7x2 – 5x + 35 by grouping. What is the resulting expression?
Aliun [14]

Answer:

(x-7)(x-\sqrt{5})(x+\sqrt{5})

Step-by-step explanation:

The given expression is

x^3-7x^2-5x+35

Factor the first two and the last two.

x^2(x-7)-5(x-7)

(x-7)(x^2-5)

Apply difference of two squares to the leftmost factor.

(x-7)(x-\sqrt{5})(x+\sqrt{5})

7 0
3 years ago
Read 2 more answers
0,0a_2×1÷4=12÷10a_52÷10
kozerog [31]

Answer:

19/4

Step-by-step explanation:

0.5=12/10a-5.2

1/2=6/5a-26/5

5=12a-52

-12a=-57

8 0
3 years ago
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