Whakaoti mō a
a=-\frac{3b}{2}-2c+\frac{75}{2}
Whakaoti mō b
b=-\frac{2a}{3}-\frac{4c}{3}+25
Tohaina
Kua tāruatia ki te papatopenga
2a+4c=75-3b
Tangohia te 3b mai i ngā taha e rua.
2a=75-3b-4c
Tangohia te 4c mai i ngā taha e rua.
2a=75-4c-3b
He hanga arowhānui tō te whārite.
\frac{2a}{2}=\frac{75-4c-3b}{2}
Whakawehea ngā taha e rua ki te 2.
a=\frac{75-4c-3b}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
a=-\frac{3b}{2}-2c+\frac{75}{2}
Whakawehe 75-3b-4c ki te 2.
3b+4c=75-2a
Tangohia te 2a mai i ngā taha e rua.
3b=75-2a-4c
Tangohia te 4c mai i ngā taha e rua.
3b=75-4c-2a
He hanga arowhānui tō te whārite.
\frac{3b}{3}=\frac{75-4c-2a}{3}
Whakawehea ngā taha e rua ki te 3.
b=\frac{75-4c-2a}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
b=-\frac{2a}{3}-\frac{4c}{3}+25
Whakawehe 75-2a-4c ki te 3.
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