Question

Решите уравнения1) 3x=32+x.
2)4x+16=28-2x
3)-3(x+1)=24-10x
4)2(4x+5)-3(x+6)=9x+8

Answer 1

Ответ:

1) 3x=32+x

3x-x=32

2x=32

x=16

2)4x+16=28-2x

4x+2x=28-16

8x=12

x=1.5

Answer 2

Ответ:

1)x = 16

3x = 32 + x

3x - x = 32  

2x = 32

x=16

2)x = 2

4 x + 16 = 28 - 2x

6x = 12

x = 2

3)x = 3

-3x - 3= 24 -10 x

7x =21

x = 3

4)x = 16

8x + 10 - 3x - 18 = 9x + 8

5x - 8 = 9x + 8

4x = 16

x =4