Question

aflaţi numărul natural x ştiind că 7x+1=43

Answer 1

7x+1=43

7x=43-1

7x=42

x=42:7

x=6

Verificare :

7×6+1=43

Sper că te-am ajutat !

Answer 2

7x+1=43

(7x+1)+(-1)=43+(-1)

7x+1-1=43-1

7x=42

$\frac{7x}{7} = \frac{42}{7}$

$x = \frac{2 \times 3 \times 7}{7}$

x=2×3

x=6