Question

Solve 4a = 20

Answer 1

Answer:

1)4a=20

solution:a=20-4

a=16

2)3y+9=24

solution:3y=24-9

3y=15

y=15/3

y= 5

3)y/3-5=4

solution:y/3=4+5

y/3=9

y=9×3

y=27

4)3=9-4k

solution:3=5k

3-5=k

-2=k

k=-2

5)3x+8=2

solution:3x=2-8

3x=-5

x=-5/3

x= -1.67

Step-by-step explanation:

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Answer 2

Here's the solutions :

1. solve for a :

• $4a = 20$

• $a = \dfrac{20}{4}$

• $a = 5$

2. solve for y :

• $3y + 9 = 24$

• $3y = 24 - 9$

• $3y = 15$

• $y = \dfrac{15}{3}$

• $y = 5$

3. solve for y :

• $\dfrac{y}{3} - 5 = 4$

• $\dfrac{y}{3} = 5 + 4$

• $\dfrac{y}{3} = 9$

• $y = 9 \times 3$

• $y = 27$

4. solve for k :

• $3 = 9 - 4k$

• $3 - 9 = -4 k$

• $- 6 = - 4 k$

• $k = \dfrac{ - 6}{ - 4}$

• $k = \dfrac{3}{2} \: \: \: or \: \: 1.5$

5. there's something wrong with this question.

6. solve for x :

• $3x + 8 = 2$

• $3x = 2 - 8$

• $3x = - 6$

• $x = \dfrac{ - 6}{3}$

• $x = - 2$

i hope it helped...