Question

PLZ help will give star or thanks in return for help
and plz no links and plz show ur work

Answer 1

Answer:

1) X=2

3x-2+4x=12

7x=14

x=2

2)X=2

4x-2+9=8x-1

4x+7=8x-1

8=4x

x=2

3)X=9

2x-8+12=x+13

2x+4=x+13

x=9