Question

Afla numerele necunoscute:
a)8×x=152
b)x:7=167
c)185-x:9=171.

Answer 1

a)

$8 \cdot x = 152 \Rightarrow x = 152: 8 \Rightarrow \bf x = 19$

b)

$x : 7 = 167 \Rightarrow x = 7 \cdot 167 \Rightarrow \bf x = 1169$

c)

$185-x:9=171 \Rightarrow x : 9 = 185 - 171 \Rightarrow x : 9 = 14 \Rightarrow x = 9 \cdot 14 \Rightarrow \bf x = 126$