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Лизавета183
@Лизавета183
July 2022
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РЕШИТЬ УРАВНЕНИЕ
45-5(12z+3)=186+3(3z-6)
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klikotska
Verified answer
Відповідь z=-2......
3 votes
Thanks 7
Алиса1984
Verified answer
45-5*12*z-5*3 = 186+3*(3*z-6)
45-5*12*z-5*3 = 186+3*3*z-3*6
30 - 60*z = 186+3*3*z-3*6
30 - 60*z = 168 + 9*z
-60*z = 138 + 9*z
-69*z = 138
z = 138 : (-69)
z = -2
9 votes
Thanks 9
TheFriken59
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TheFriken59
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Answers & Comments
Verified answer
Відповідь z=-2......Verified answer
45-5*12*z-5*3 = 186+3*(3*z-6)45-5*12*z-5*3 = 186+3*3*z-3*6
30 - 60*z = 186+3*3*z-3*6
30 - 60*z = 168 + 9*z
-60*z = 138 + 9*z
-69*z = 138
z = 138 : (-69)
z = -2