Question

2.
Find the sum on a number line.
(b) – 7 + 2
(a) 8+ (-3)
(c) (-5) + (-4)
(e) 7 + (- 4) + (- 3)
(d) (-2) + 1 + (-2)
(f) (-2) + (-3) + (-4)​

Answer 1

(b) – 7 + 2

= $-7+2=-5$

(a) 8+ (-3)

$8+\left(-3\right)=5$

(c) (-5) + (-4)

$\left(-5\right)+\left(-4\right)=-9$

(e) 7 + (- 4) + (- 3)

$7+\left(-4\right)+\left(-3\right)=0$

(d) (-2) + 1 + (-2)

$\left(-2\right)+1+\left(-2\right)=-3$

(f) (-2) + (-3) + (-4)​

$\left(-2\right)+\left(-3\right)+\left(-4\right)=-9$

Answer 2

Answer:

(a) 8+ (-3)= 8-3= 5

(b) – 7 + 2= (-5)

(c) (-5) + (-4)=(-5) -4=(-9)

(e) 7 + (- 4) + (- 3)=7-4-3=7-7=0

(d) (-2) + 1 + (-2)=(-2) +1-2=(-4+1) =(-3)

(f) (-2) + (-3) + (-4)=(-2) -3-4=(-9)

Step-by-step explanation:

✡a+(-b) = a-b

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