Whakaoti i te 7left(x-4right)-2=4-5(x+1)

$$7 \left( x-4 \right) -2 = 4-5(x+1)$$

Whakaoti mō x

$$x = \frac{29}{12} = 2\frac{5}{12} \approx 2.416666667$$

Ngā Upane mō te Whakaoti Whārite Rārangi

Whakamahia te āhuatanga tohatoha hei whakarea te 7 ki te x-4.

$$7x-28-2=4-5\left(x+1\right)$$

Tangohia te 2 i te -28, ka -30.

$$7x-30=4-5\left(x+1\right)$$

Whakamahia te āhuatanga tohatoha hei whakarea te -5 ki te x+1.

$$7x-30=4-5x-5$$

Tangohia te 5 i te 4, ka -1.

$$7x-30=-1-5x$$

Me tāpiri te 5x ki ngā taha e rua.

$$7x-30+5x=-1$$

Pahekotia te 7x me 5x, ka 12x.

$$12x-30=-1$$

Me tāpiri te 30 ki ngā taha e rua.

$$12x=-1+30$$

Tāpirihia te -1 ki te 30, ka 29.

$$12x=29$$

Whakawehea ngā taha e rua ki te 12.

$$x=\frac{29}{12}$$