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Levart [38]
2 years ago
12

Solve: 15x - 12 + 7 x + 6 = 60

Mathematics
2 answers:
pav-90 [236]2 years ago
8 0
Answer is X=3

15x-12+7x+6=60
Explanation:
22x-12+6=60
22x-6=60
22x=60+6
22x=66
Divide both sides by 22
And x=3
vovikov84 [41]2 years ago
7 0

Answer:

The answer is 3

Step-by-step explanation:

If you combine like terms you get 22x - 6 = 60

Then you set the numbers and x's apart = 22x = 66

Then you divide and get 3

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1) 2x – y = 1
aleksandrvk [35]

Answer:

1) (2, 3)

2) (2, -5).

Step-by-step explanation:

2x – y = 1

2x +2y = 10   Subtract to eliminate  the 2x:

2x - 2x - y - 2y = 1  - 10

-3y = -9

y = 3.

Plug this into the first equation:

2x - 3 = 1

2x = 4

x = 2.

2)

5x – y =15

x + y = -3     Adding to eliminate y:

5x + x - y + y = 15 + -3

6x = 12

x = 2

Plug this into the first equation:

5(2) - y = 15

-y = 15 - 10 = 5

y = -5.

6 0
3 years ago
Rewrite expression as a single power<img src="https://tex.z-dn.net/?f=6%5E%7B4%7D%2A%206%5E%7B4%7D" id="TexFormula1" title="6^{4
victus00 [196]

Answer:

6^8

Step-by-step explanation:

6^4 * 6^4

We know that a^b * a^c = a^( b+c)

6^(4+4)

6^8

5 0
3 years ago
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Find 92% of 400 cars
mario62 [17]

Answer:

368

Step-by-step explanation:

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Dimas [21]

Answer:

word problems

Step-by-step explanation:

A random guy made 100 bird houses and each bird house has 100 seeds how many seeds are there in total 100,000

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3 years ago
PLEASE GIVE AN EXPLANATION WITH YOUR ANSWER! 6 cm are cut from a 24 cm board. What is the percent decrease in length?
Firlakuza [10]

Answer:

75%

Step-by-step explanation:

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1/4=6

4*6=24

24-6=18

3/4 of 24=18

3/4=75%

3 0
3 years ago
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