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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\left(70x-\left(700-35x\right)\right)\times 40+35\times 130\left(20-x\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 20-x ki te 35.
\left(70x-700-\left(-35x\right)\right)\times 40+35\times 130\left(20-x\right)
Hei kimi i te tauaro o 700-35x, kimihia te tauaro o ia taurangi.
\left(70x-700+35x\right)\times 40+35\times 130\left(20-x\right)
Ko te tauaro o -35x ko 35x.
\left(105x-700\right)\times 40+35\times 130\left(20-x\right)
Pahekotia te 70x me 35x, ka 105x.
4200x-28000+35\times 130\left(20-x\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 105x-700 ki te 40.
4200x-28000+4550\left(20-x\right)
Whakareatia te 35 ki te 130, ka 4550.
4200x-28000+91000-4550x
Whakamahia te āhuatanga tohatoha hei whakarea te 4550 ki te 20-x.
4200x+63000-4550x
Tāpirihia te -28000 ki te 91000, ka 63000.
-350x+63000
Pahekotia te 4200x me -4550x, ka -350x.
\left(70x-\left(700-35x\right)\right)\times 40+35\times 130\left(20-x\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 20-x ki te 35.
\left(70x-700-\left(-35x\right)\right)\times 40+35\times 130\left(20-x\right)
Hei kimi i te tauaro o 700-35x, kimihia te tauaro o ia taurangi.
\left(70x-700+35x\right)\times 40+35\times 130\left(20-x\right)
Ko te tauaro o -35x ko 35x.
\left(105x-700\right)\times 40+35\times 130\left(20-x\right)
Pahekotia te 70x me 35x, ka 105x.
4200x-28000+35\times 130\left(20-x\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 105x-700 ki te 40.
4200x-28000+4550\left(20-x\right)
Whakareatia te 35 ki te 130, ka 4550.
4200x-28000+91000-4550x
Whakamahia te āhuatanga tohatoha hei whakarea te 4550 ki te 20-x.
4200x+63000-4550x
Tāpirihia te -28000 ki te 91000, ka 63000.
-350x+63000
Pahekotia te 4200x me -4550x, ka -350x.