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cat e (99 – 18 + x) – 43 = 126 ?

Răspuns :

Răspuns:

(99-18+x)-43=126

81+x=126+43

81+x=169

x=169-81

==> x=88

( 99 - 18 + x ) - 43 = 126

( 81 + x ) = 126 + 43

81 + x = 169

x = 169 - 81

x = 88