Whakaoti mō v
v=7
Tohaina
Kua tāruatia ki te papatopenga
4\left(7v+8\right)-3\left(3v-9\right)=192
Me whakarea ngā taha e rua o te whārite ki te 12, arā, te tauraro pātahi he tino iti rawa te kitea o 3,4.
28v+32-3\left(3v-9\right)=192
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te 7v+8.
28v+32-9v+27=192
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te 3v-9.
19v+32+27=192
Pahekotia te 28v me -9v, ka 19v.
19v+59=192
Tāpirihia te 32 ki te 27, ka 59.
19v=192-59
Tangohia te 59 mai i ngā taha e rua.
19v=133
Tangohia te 59 i te 192, ka 133.
v=\frac{133}{19}
Whakawehea ngā taha e rua ki te 19.
v=7
Whakawehea te 133 ki te 19, kia riro ko 7.
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