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Artem18Rus1
@Artem18Rus1
July 2022
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Решите уравнения:
1)-15y-109=269+27y
2)-27x+600=29x+152
3)45-5(12z+3)=186+3(3z-6)
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Answers & Comments
jekadva
1)-15y-109=269+27y
-15y-27y=269+109
-42y=378
y=378:(-42)
y=-9
=================
2)-27x+600=29x+152
-27x-29x=152-600
-56x=-448
x=-448:(-56)
x=8
===============
3)45-5(12z+3)=186+3(3z-6)
45-60z-15=186+9z-18
-60z-9z=186-18-45+15
-69z=138
z=138:(-69)
z=-2
========================
3 votes
Thanks 4
s1323kozlova
1)9
2)8
3)не пролучается
2 votes
Thanks 2
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Answers & Comments
-15y-27y=269+109
-42y=378
y=378:(-42)
y=-9
=================
2)-27x+600=29x+152
-27x-29x=152-600
-56x=-448
x=-448:(-56)
x=8
===============
3)45-5(12z+3)=186+3(3z-6)
45-60z-15=186+9z-18
-60z-9z=186-18-45+15
-69z=138
z=138:(-69)
z=-2
========================
2)8
3)не пролучается