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3\times 5\left(x+1\right)-2\left(2-3x\right)=74
Me whakarea ngā taha e rua o te whārite ki te 6, arā, te tauraro pātahi he tino iti rawa te kitea o 2,3.
15\left(x+1\right)-2\left(2-3x\right)=74
Whakareatia te 3 ki te 5, ka 15.
15x+15-2\left(2-3x\right)=74
Whakamahia te āhuatanga tohatoha hei whakarea te 15 ki te x+1.
15x+15-4+6x=74
Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te 2-3x.
15x+11+6x=74
Tangohia te 4 i te 15, ka 11.
21x+11=74
Pahekotia te 15x me 6x, ka 21x.
21x=74-11
Tangohia te 11 mai i ngā taha e rua.
21x=63
Tangohia te 11 i te 74, ka 63.
x=\frac{63}{21}
Whakawehea ngā taha e rua ki te 21.
x=3
Whakawehea te 63 ki te 21, kia riro ko 3.