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IgorC [24]
3 years ago
15

If x + 4y = 18 and x - 4y = 2, then x = ? My Answer:____

Mathematics
1 answer:
kupik [55]3 years ago
7 0

Answer:

Therefore x =5

Step-by-step explanation:

marke me as branalist answer

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I need help I will rate you brainliest
Tems11 [23]

Answer:

it would be subtraction

Step-by-step explanation:

Because if you are trying to get you would do 2-2 to get 0 and have x by itself

3 0
3 years ago
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Helpp me asapp with this problem plss will crown brainiest !!!!
Evgen [1.6K]

Answer:

see below

Step-by-step explanation:

Since RT bisects QRS

1/2  QRS = TRS

1/2 ( 9x+214) = -9x+53

Multiply each side by 2

9x +214 = -18x+ 106

Add 18x from each side

9x +214+18x = 106

27x +214 = 106

Subtract 214 from each side

27x = 106-214

27x =-108

Divide by 27

27x/27 = -108/27

x = -4

TRS = -9x+53

     =-9 *-4 +53

     = 36+ 53

    =89

4 0
3 years ago
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Find the value of x........
raketka [301]

Answer:

x=23

Step-by-step explanation:

Hello There!

Remember the exterior angle of a triangle is equal to the opposite interior angles of a triangle

so

137-x=2x+3x-1

now we can solve for x

step 1 combine like terms

2x+3x=5x

now we have

137-x=5x-1

step 2 add 1 to each side

-1+1 cancels out

137+1=138

138-x=5x

step 2 add x to each side

-x+x cancels out

5x+x=6x

now we have

138=6x

step 3 divide each side by 6

6x/6=x

138/6=23

we´re left with x=23

7 0
2 years ago
Two bells ring every 10 and 25 minutes respectively. They start ringing together at 6 a.m. At what time will they next ring toge
qwelly [4]

Answer:

6:50

Step-by-step explanation:

The bell that rings every 10 min will ring at 6:00, 6:10, 6:20,6:30, 6:40, 6:50

The bell that rings every 25 min will ring at 6:00, 6:25, and 6:50

7 0
3 years ago
A school choir has 36 members. There are three times as many underclassmen as seniors. How many seniors are in the choir? 9 seni
amm1812
There are 9 seniors.

Although there are several ways of solving this problem, I just did what was easiest for me in my head. I divided 36 by 4, which gave me 9.
3 0
2 years ago
Read 2 more answers
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