Question

verify a+(-b) = a+ b ,when a = 21 and b= 18​

Answer 1

Answer:

not equal

Step-by-step explanation:

a+(-b) = 21+(-18) = 21-18 = 3

a+ b = 21 +18 = 39

Answer 2

$\bf \pink{Answer}$

$\sf \orange{a+(-b) = a+ b}$

$\sf \blue{21 + (- [+ 18)]= 21 + 18}$

$\sf \purple{21 + ( - 18) \: = 39}$

$\bf \color{grey}21 \: - 18 \: = 39$

$\bf \red{3 \: = 39}$

$\bf\pink { This\: is\: not\: equal}$

$\bf \orange{Hope \: it's \: helps \: you \: dude}$