Tīpoka ki ngā ihirangi matua
Whakaoti mō x
Tick mark Image
Graph

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

2\left(45-2x\right)\left(1\times 7+4\right)=11
Me whakarea ngā taha e rua o te whārite ki te 14, arā, te tauraro pātahi he tino iti rawa te kitea o 7,14.
2\left(45-2x\right)\left(7+4\right)=11
Whakareatia te 1 ki te 7, ka 7.
2\left(45-2x\right)\times 11=11
Tāpirihia te 7 ki te 4, ka 11.
22\left(45-2x\right)=11
Whakareatia te 2 ki te 11, ka 22.
990-44x=11
Whakamahia te āhuatanga tohatoha hei whakarea te 22 ki te 45-2x.
-44x=11-990
Tangohia te 990 mai i ngā taha e rua.
-44x=-979
Tangohia te 990 i te 11, ka -979.
x=\frac{-979}{-44}
Whakawehea ngā taha e rua ki te -44.
x=\frac{89}{4}
Whakahekea te hautanga \frac{-979}{-44} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -11.