kennyg02
23.10.2020 •
Mathematics
3x+2(20) +110=180
algebraic solution
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Ответ:
x = 10
Step-by-step explanation:
3x + 2(20) + 110 = 180
3x + 40 + 110 = 180
3x + 150 = 180
-150 -150
3x = 30
3 3
x = 10
Check:
3x + 2(20) + 110 = 180
3(10) + 2(20) + 110 = 180
30 + 40 + 110 = 180
70 + 110 = 180
180 = 180
Ответ:
Rp 4jt/m:deximal 6205.00