Prowellness
Prowellness

Tolong yaa………….

4 sec read


Tolong yaa…………. ​

3bab424e152c12842e7dd5bafabb12f1

 

Jawaban:

D. 7

Penjelasan dengan langkah-langkah:

b= -a+7

gantikan b=-a+7 ke dalam a+b:

a+7-a

a+7-a

(a-a)+7

(1-1)×a+7=7


Prowellness
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