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zaitseva20032
@zaitseva20032
July 2022
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Помогите решить уравнения. 1) 3*(4-5х)=-26+4х.
2)5*(13-2х)=-19-3х. 3)12-(х+1 3/8)= 10 7/24. 4) х:2 1/5=1,3:0,26
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Albina20032016
1) 3*(4-5x)=-26+4x;12-15x=-26+4x;-15x-4x=-26-12;-19x=-38;x=-38:(-19);x=2Ответ:22) 5*(13-2x)=-19-3x;65-10x=-19-3x;-10x+3x=19-65;-7x=-46;x=-46:(-7);x=7
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