katiebabytiger1
katiebabytiger1 katiebabytiger1
  • 16-03-2021
  • Mathematics
contestada

1) What are the x's in 2 (3x + 1) = x + 22?
2) What are the x's in 2x + 2 = x + 5?
3) What are the x's in 3x + 2x = 10?


I really don't know these.

Respuesta :

len391 len391
  • 16-03-2021
2(3x + 1) = x + 22
6x + 2 = x + 22
-1x -1x
5x + 2 = 22
-2 -2
5x=20
/5 /5
X=4


2x + 2 = x + 5
-x -x
3x + 2 = 5
-2 -2
3x = 3
/3 /3
X=1


3x + 2x = 10
5x=10
/5 /5
X=2
Answer Link
kylie15462 kylie15462
  • 17-03-2021
1. x=4 2(3{4}+1)={4}+22
2. x=3 2(3)+2=(3)+5
3. x=2 3(2)+2(2)=10
Answer Link

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