Question

MATHS IN
Question 1. Add the following
(a) 15 and 8
(b) 15 and (-7)
Question 2 Subtract (a) (-8) from (-15)
(b) 13 5
Question ?​

Answer 1

Step by step explanation

Question no1

a)15 and 8=15+8=23

b)15 and (-7)=15+(-7)

=15-7=8. (+)*(-)=(-)

Question no2

from means right-left.

(-15)-(-8)=-15+8. (-)*(-)=(+)

=-7(minus because 15 is > 8)

b)13-5=8

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