Question

Folosind metoda mersului invers,afla term necunoscut:
(x-8):2+88=100-11
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Answer 1

(x-8):2+88=100-11

(x-8):2+88=89 (scazi 88)

(x-8):2=1 (inmultesti cu 2)

x-8=2 (aduni 8)

x=10

Answer 2

Salut,

(x - 8) ÷ 2 + 88 = 100 - 11

(x - 8) ÷ 2 = 89 - 88

x - 8 = 1 × 2

x = 2 + 8

x = 10 ✓