Solve the equation. 4d + 2d – 4d + 4 = 3d
2 answers:
4d+2d-4d+4=3d
2d+4=3d
4=3d-2d
d=4
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
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