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kakahmelka
@kakahmelka
August 2022
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решите уравнение
x+2(x+10)=7
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AlbinaAlf
Verified answer
X+2x+20=7
3x=7-20
3x=-13
x=-13/3
0 votes
Thanks 1
ilyabelsky002
Verified answer
X + 2×(x + 10) = 7;
x + 2x + 20 - 7 = 0;
3x = - 13;
x = - 13 / 3.
1 votes
Thanks 0
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Answers & Comments
Verified answer
X+2x+20=73x=7-20
3x=-13
x=-13/3
Verified answer
X + 2×(x + 10) = 7;x + 2x + 20 - 7 = 0;
3x = - 13;
x = - 13 / 3.