2( - 4 + 5x) = 42 2( - 4) (2)( + 5x) = 42 -8+10x= 42 -8+8+10x= 42+8 10x=50 10x/10=50/10 x=5 Solution 2( - 4 + 5x) = 42 2( - 4) (2)( + 5x) = 42 -8+10x= 42 -8+8+10x= 42+8 10x=50 10x/10=50/10 x=5.Read less