Question

rog raspuns la intrebarea
8×d-16=2×5×4​

Answer 1

salut!
8d-16=40
8d=40+16
8d=56
d=56/8
d=7

Answer 2

$\it 8\cdot d-16=2\cdot5\cdot4 \Rightarrow 8\cdot d-16=40|_{+16} \Rightarrow 8\cdot d= 56\Rightarrow d=7$