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2 years ago

Solve each equation

Mathematics

2 answers:

Fed [463]2 years ago

7 0

Answer:

1. y = 7

2. y = 6

3. y = 7/2

4. y = 8

Step-by-step explanation:

I searched it up and found the answer.

Alona [7]2 years ago

6 0

<h3>Solution:</h3>

Let's solve each equation one by one :

7y + 7 = 56

➝ 7y + 7 = 56

➝ 7y = 56 - 7

➝ 7y = 49

➝ y = 49 / 7

➝ y = 7

42 - 6y = 6

➝ 42 - 6y = 6

➝ - 6y = 6 - 42

➝ - 6y = - 36

➝ y = -36 / - 6

➝ y = 6

( y + 1 )² = 9

➝ ( y + 1 )² = 9

➝ y + 1 = √ 9

➝ y + 1 = 3

➝ y = 3 - 1

➝ y = 2

1 + 72 / y = 10

➝ 1 + 72 / y = 10

➝ 72 / y = 10 - 1

➝ 72 / y = 9

➝ 72 = 9y

➝ 9y = 72

➝ y = 72 / 9

➝ y = 8

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