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fiasKO [112]
3 years ago
11

Solve the equation x-13+4x=22a: 1.8b: 5c: 7d: 11.7​

Mathematics
1 answer:
Hunter-Best [27]3 years ago
4 0
Answer: x=7

first, collect like terms:
5x-13=22

next move the constant to the right-hand side and change its sign:
5x=22+13

then add:
5x=35

lastly divide both sides of the equation by 5:
and you get.... x=7

hope this helps!! :))
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Vitek1552 [10]

Answer:

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7 0
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Which fraction is equivalent to 1/3?
ipn [44]

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If mike Kevin and Dustin all collect baseball cards and Dustin and Kevin has 81 altogether and Dustin and Mike have 96 altogethe
jek_recluse [69]

Answer:

Dustin has 42 cards.

Mike has 54 cards.

Kevin has 39 cards

Step-by-step explanation:

subtract (Dustin + Mike) – (Dustin + Kevin) or 96 – 81.

Think of it like....

Dustin + Mike – Dustin – Kevin

Dustin – Dustin + Mike – Kevin

Mike – Kevin

Since 96 – 81 = 15, Mike – Kevin = 15

Add (Kevin + Mike) + (Mike – Kevin) or 93 + 15.

Think of it like...

Kevin + Mike + Mike – Kevin

Kevin – Kevin + Mike + Mike

Mike + Mike

Since 93 + 15 = 108, Mike + Mike = 108. If you divide, Mike had 54 cards. That means that you can find Kevin’s cards by using 93 – 54 or 39. You can then find Dustin’s cards by using 81 – 39 = 42.

Check:

Dustin’s cards + Kevin’s cards = 42 + 39 = 81

Dustin’s cards + Mike’s cards = 42 + 54 = 96

Mike’s cards + Kevin’s cards = 54 + 39 = 93

5 0
3 years ago
Calculate the sum and enter it below 78 + (-89)
algol [13]

78 + (-89)


78 - 89


Answer: -11


3 0
3 years ago
Read 2 more answers
How many 1/4 cups could you measure out of 2 and 2/4 cups
maksim [4K]
2 and 2/4 = 10/4

10/4 ÷ 1/4 = 10/4 × 4/1 = 10 cups


5 0
3 years ago
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