Question

4x+1=10-5x =
2x-1=20-19=
7x+3=38=
4x+1=31+x=
8x+9=109-2x=​

Answer 1

Explicație pas cu pas:

4x+1=10-5x

4x=9-5x

9x=9

x=1

2x-1=20-19

2x-1=1

2x=2

x=1

7x+3=38

7x=35

x=5

4x+1=31+x

4x=30+x

3x=30

x=10

8x+9=109-2x

8x=100-2x

10x=100

x=10