What is 3/8 plus negative1/2

-1/8

Step-by-step explanation:

write all numerators above the least common denominator 8

3-4/8

calculate the product

-1/8

negative 1/8 or 0.125

Step-by-step

-1/2 cancells out the plus, so it is just 3/8 - 4/8 = -1/8

-2x -7y + 2

Step-by-step explanation:

-5x-7y+6 and -4+3x

Sum :

-5x-7y+6 -4+3x

= -5x+3x-7y+6 -4

= -2x -7y + 2