Question

Solve the equation. 4d + 2d – 4d + 4 = 3d

Answer 1

4d+2d-4d+4=3d
2d+4=3d
4=3d-2d
d=4

Answer 2

add like tersms

remember you can do anything to an equaitona s longas you do it to both sides

4d+2d-4d+4=3d

6d-4d+4=3d

2d+4=3d

add negative 2d to both sides

2d-2d+4=3d-2d

0+4=1d

4=d

d=4