Whakaoti mō x
x=140
Graph
Tohaina
Kua tāruatia ki te papatopenga
x-140=0\times 75
Tangohia te 125 i te -15, ka -140.
x-140=0
Whakareatia te 0 ki te 75, ka 0.
x=140
Me tāpiri te 140 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
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