Question

a) (-4)+(-2)-(-3)-(+4). b) (-7)-(-2)-(+3)+(-7). c) (+7)-(-8)+(-3)-(-7). d) (-9)+(-5)-(-9)+(-3) les regalo coronita​

Answer 1

(-4)+(-2)-(-3)-(+4)

=−6−(−3)−4

=−3−4

=−7

(-7)-(-2)-(+3)+(-7)

=−5−3−7

=−8−7

=−15

(+7)-(-8)+(-3)-(-7).

=15−3−(−7)

=12−(−7)

=19

(-9)+(-5)-(-9)+(-3)

=−14−(−9)−3

=−5−3

=−8

Saludos!zd