Question

(+7x)+(-3x)


(-8x)+(+11x)


(-2y)+(3y)


(-2m)+(m)


(+5x)+(-5x)

​

Answer 1

Explicação passo-a-passo:

(+7x)+(-3x)= 4x

(-8x)+(+11x)=3x

(-2y)+(3y)=y

(-2m)+(m) =-m

(+5x)+(-5x)= 0