Whakaoti mō x
x = -\frac{11}{2} = -5\frac{1}{2} = -5.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
15x-45+6\left(2x+2\right)-2x+2=4\left(9x+2\right)-3x+5
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te 3x-9.
15x-45+12x+12-2x+2=4\left(9x+2\right)-3x+5
Whakamahia te āhuatanga tohatoha hei whakarea te 6 ki te 2x+2.
27x-45+12-2x+2=4\left(9x+2\right)-3x+5
Pahekotia te 15x me 12x, ka 27x.
27x-33-2x+2=4\left(9x+2\right)-3x+5
Tāpirihia te -45 ki te 12, ka -33.
25x-33+2=4\left(9x+2\right)-3x+5
Pahekotia te 27x me -2x, ka 25x.
25x-31=4\left(9x+2\right)-3x+5
Tāpirihia te -33 ki te 2, ka -31.
25x-31=36x+8-3x+5
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te 9x+2.
25x-31=33x+8+5
Pahekotia te 36x me -3x, ka 33x.
25x-31=33x+13
Tāpirihia te 8 ki te 5, ka 13.
25x-31-33x=13
Tangohia te 33x mai i ngā taha e rua.
-8x-31=13
Pahekotia te 25x me -33x, ka -8x.
-8x=13+31
Me tāpiri te 31 ki ngā taha e rua.
-8x=44
Tāpirihia te 13 ki te 31, ka 44.
x=\frac{44}{-8}
Whakawehea ngā taha e rua ki te -8.
x=-\frac{11}{2}
Whakahekea te hautanga \frac{44}{-8} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.
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