Tīpoka ki ngā ihirangi matua
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Whakaroha
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-7x-\left(-2\right)+5\left(2x-1\right)
Hei kimi i te tauaro o 7x-2, kimihia te tauaro o ia taurangi.
-7x+2+5\left(2x-1\right)
Ko te tauaro o -2 ko 2.
-7x+2+10x-5
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te 2x-1.
3x+2-5
Pahekotia te -7x me 10x, ka 3x.
3x-3
Tangohia te 5 i te 2, ka -3.
-7x-\left(-2\right)+5\left(2x-1\right)
Hei kimi i te tauaro o 7x-2, kimihia te tauaro o ia taurangi.
-7x+2+5\left(2x-1\right)
Ko te tauaro o -2 ko 2.
-7x+2+10x-5
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te 2x-1.
3x+2-5
Pahekotia te -7x me 10x, ka 3x.
3x-3
Tangohia te 5 i te 2, ka -3.