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3\left(x-3\right)=5\left(x+1\right)-30
Me whakarea ngā taha e rua o te whārite ki te 15, arā, te tauraro pātahi he tino iti rawa te kitea o 5,3.
3x-9=5\left(x+1\right)-30
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x-3.
3x-9=5x+5-30
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te x+1.
3x-9=5x-25
Tangohia te 30 i te 5, ka -25.
3x-9-5x=-25
Tangohia te 5x mai i ngā taha e rua.
-2x-9=-25
Pahekotia te 3x me -5x, ka -2x.
-2x=-25+9
Me tāpiri te 9 ki ngā taha e rua.
-2x=-16
Tāpirihia te -25 ki te 9, ka -16.
x=\frac{-16}{-2}
Whakawehea ngā taha e rua ki te -2.
x=8
Whakawehea te -16 ki te -2, kia riro ko 8.