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Answered

Solve and check each equation. Write your solution on a paper then pass.



a. 21 - 5x = 3x + 5
X= ___
b. 4y = 2(y - 5) - 20
y=___
c. 6(2 + y) = 3(3 - y)
y=___​

Sagot :

Tinbratsgo

Answer:

a. x= 2

b. y= -15

c. y= -1/3

Step-by-step explanation:

a. 21-5x=3x+5

-5x-3x=5-21

-8x=-16

x=2

b. 4y=2(y-5)-20

4y=2y-10-20

4y=2y-30

4y-2y= -30

2y=-30

y=-15

c. 6(2+y)=3(3-y)

12+6y=9-3y

12-9=-3y-6y

3=-9y

y= -3/9 or -1/3

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