Whakaoti mō x
x=25y+880
Whakaoti mō y
y=\frac{x}{25}-35.2
Graph
Tohaina
Kua tāruatia ki te papatopenga
0.01x=8.8+0.25y
Me tāpiri te 0.25y ki ngā taha e rua.
0.01x=\frac{y}{4}+8.8
He hanga arowhānui tō te whārite.
\frac{0.01x}{0.01}=\frac{\frac{y}{4}+8.8}{0.01}
Me whakarea ngā taha e rua ki te 100.
x=\frac{\frac{y}{4}+8.8}{0.01}
Mā te whakawehe ki te 0.01 ka wetekia te whakareanga ki te 0.01.
x=25y+880
Whakawehe 8.8+\frac{y}{4} ki te 0.01 mā te whakarea 8.8+\frac{y}{4} ki te tau huripoki o 0.01.
-0.25y=8.8-0.01x
Tangohia te 0.01x mai i ngā taha e rua.
-0.25y=-\frac{x}{100}+8.8
He hanga arowhānui tō te whārite.
\frac{-0.25y}{-0.25}=\frac{-\frac{x}{100}+8.8}{-0.25}
Me whakarea ngā taha e rua ki te -4.
y=\frac{-\frac{x}{100}+8.8}{-0.25}
Mā te whakawehe ki te -0.25 ka wetekia te whakareanga ki te -0.25.
y=\frac{x}{25}-\frac{176}{5}
Whakawehe 8.8-\frac{x}{100} ki te -0.25 mā te whakarea 8.8-\frac{x}{100} ki te tau huripoki o -0.25.
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