w=3 e=4 2w+2e+(40w)-29+4e

Good, minee.....now we can just substitute the values in for w and e and get

42(3) + 6(4) - 29   =  

126 + 24 - 29 =

126 - 5  =

121

w=3 e =4

2w+2e+(40w)-29+4e

2w+40w=42w

2e+4e=6e

42w+6e-29