39w 42 24w 18 w Solution39w 42 24w 18 Add 24w on both si

-3.9w -4.2 = -2.4w + 1.8

w= ?

Solution

-3.9w -4.2 = -2.4w + 1.8

Add 2.4w on both sides:

-3.9w + 2.4w - 4.2 = -2.4w +2.4w + 1.8

-1.5w - 4.2 = 1.8

-1.5w = 4.2 +1.8

-1.5w = 6.0

Divide 1.5 by both sides:

-1.5w /1.5 = 6.0/1.5

-w = 4

w = -4 (Solution)