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2x645:(98-x)=430 va rog

Răspuns :

2x645:(98-x)=430

1290:(98-x)=430

98-x=1290:430

98-x=3

x=98-3

x=95

=2x645:(98-95)=

=1290:3=

=430✓

2•645:(98-X) =430
645:(98-X) =430:2
645:(98-X) =215
98-X=645:215
98-X=3
X=98-3
X=95