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(7x-3x)÷2=6 urgent va rog mult


Răspuns :

(7X-3X):2=6
7X-3X=6*2
7X-3X=12
7X-3X=4X
4X=12÷4
X=3
(7x-3x)÷2=6
4x÷2=6
2x=6
x=6:2
x=3

Verificare: (7×3-3×3)÷2=(21-9)÷2=12÷2=6

Sper ca te-am ajutat !!