3а+8а=1,87 7z-3z=5,12 2t+5t+3,18=25,3...

arampogosyan12 @arampogosyan12

July 2022 1 1 Report

3а+8а=1,87
7z-3z=5,12
2t+5t+3,18=25,3

Answers & Comments

prettypushkova

Verified answer

3a + 8a = 1,87
11a = 1,87 : 11
a = 0,17
Проверка: 3 * 0,17 + 8 * 0,17 = 0,51 + 1,36 = 1,87

7z - 3z = 5,12
4z = 5,12
z = 5,12 : 4
z = 1,28
Проверка: 7 * 1,28 - 3 * 1,28 = 8,96 - 3,84 = 5,12

2t + 5t + 3,18 = 25,3
7t = 25,3 - 3,18
7t = 22,12
t = 22,12 : 7
t = 3,16
Проверка: 2 * 3,16 + 5 * 3,16 + 3,18 = 6,32 + 15,8 + 3,18 = 25,3

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