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irina [24]
3 years ago
12

How do you solve this problem (5x+10)=(2-7x)

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0

Answer:

x=-2/3

Step-by-step explanation:

(5x+10)=(2-7x)

5x+10=2-7x

5x+7x=2-10

12x=-8

x=-8/12

x=-2/3

You might be interested in
10 times the quantity 9 minus a number x
Svetllana [295]

Answer:

10 \times 9 - x \\ x = 10 \times 9 \\ x = 90

<h3><u>PLEASE</u><u> MARK</u><u> ME</u><u> BRAINLIEST</u><u>.</u></h3>
8 0
3 years ago
Read 2 more answers
3/8 + 1/4 + 1/2 - 2/3 =
Nostrana [21]

Answer:

\frac{11}{24}

Step-by-step explanation:

3/8 + 1/4 + 1/2 - 2/3

- > 1/4 =  2/8

3/8 + 2/8 + 1/2 - 2/3

5/8 + 1/2 - 2/3

- > 1/2 = 4/8

5/8 + 4/8 - 2/3

9/8 - 2/3

- > LCM of 8,3: 24

- > 9/8 = 27/24

- > 2/3 = 16/24

27/24 - 16/24

11/24

Hope this helps you.

7 0
3 years ago
How would you go about finding the solution to this system of three equations in three variables? Be specific. For example, you
kupik [55]
I:2x – y + z = 7
II:x + 2y – 5z = -1
III:x – y = 6

you can first use III and substitute x or y to eliminate it in I and II (in this case x):
III: x=6+y
-> substitute x in I and II:
I': 2*(6+y)-y+z=7
12+2y-y+z=7
y+z=-5

II':(6+y)+2y-5z=-1
3y+6-5z=-1
3y-5z=-7

then you can subtract II' from 3*I' to eliminate y:
3*I'=3y+3z=-15

3*I'-II':
3y+3z-(3y-5z)=-15-(-7)
8z=-8
z=-1

insert z in II' to calculate y:
3y-5z=-7
3y+5=-7
3y=-12
y=-4

insert y into III to calculate x:
x-(-4)=6
x+4=6
x=2

so the solution is
x=2
y=-4
z=-1
3 0
3 years ago
Find the measure of the indicated angle to the nearest degree
solmaris [256]
I would use length time width
3 0
3 years ago
How would you graph, y=-x-2
Natali5045456 [20]
Well you would start at Y= 0(-x) -2. So (0, -2) then you would move to the left by 1 and move down by 1. 
6 0
3 years ago
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