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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

7x-2=-5\times 6
Me whakarea ngā taha e rua ki te 6.
7x-2=-30
Whakareatia te -5 ki te 6, ka -30.
7x=-30+2
Me tāpiri te 2 ki ngā taha e rua.
7x=-28
Tāpirihia te -30 ki te 2, ka -28.
x=\frac{-28}{7}
Whakawehea ngā taha e rua ki te 7.
x=-4
Whakawehea te -28 ki te 7, kia riro ko -4.