Question

2x=25+x

4x=30+x

2x=-15

2x+1=8x-10​

Answer 1

2x=25+x

2×-x=25

×=25

4x=30+x

4x-x=30

3x=30

x=30/3

x=10

2x=-15

x=-15/2

x= -7,5

2x+1=8x-10

2x-8x=-10-1

-6x=-11

x=-11/-6

x=