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pletminczewa23
@pletminczewa23
June 2022
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2(7х+9х)=-8х-7 помогите пожалуйста
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jekadva
2(7х+9х)=-8х-7
14x+18x = -8x-7
32x = -8x-7
32x+8x= -7
40x = -7
x= -7:40
x= -0,175
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Answers & Comments
14x+18x = -8x-7
32x = -8x-7
32x+8x= -7
40x = -7
x= -7:40
x= -0,175