Question

помогите дам 40 балов​

Answer 1

5x-7=4x+1

5x-4x=1+7

x=8

4x + 5,5 = 2x - 3,5

4x-2x=-3,5-5,5

2x = -9

x=-9:2

x= -4,5

2(3x+2)+ x = 5x + 4

6x + 4 + x = 5x + 4

7x+4=5x+4

7x-5x=4-4

2x = 0

x=0:2

x = 0

(x-1)/2 - 2x/3 = (x+3)/3 16

3(x-1)-12x/3=2(x+3)

3x-3-4x=2x+63x-3-4x=2x+6

-x-3=2x+6

-x-2x=6+3

-3x=9

x=9:(-3)

x=-3