Question

reduzir os monômios (8y) - (-3x) = (-12 ab) - (-x) = (-5x) - (-11x) = (-m) + (-m) = (-6m) - (+n) =

Answer 1

a) (8y)-(-3x) = 8y+3x
b) (-12ab)-(-x) = -12ab+x
c) (-5x)-(-11x) =  -5x +11x = 6x
d) (-m) + (-m) =  -m-m = -2m
e) (-6m) - (+n) = -6m-n