jayjay5246
26.06.2019 •
Mathematics
Need asap 1.5x+6=2+3x 2.2(6-2y)=-1(4y-9) 3.2z-6=2(z+2)+10
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Ответ:
-3x. - 3x
2x + 6 = 2
- 6. - 6
2x = -4
2. 2
x = -2
2. 2(6 -2y) = -1(4y-9)
12 -4y = -4y + 9
+4y. +4y
.12 /=\ 9
No solution
3. 2z-6 = 2(z+2) + 10
2z -6 = 2z + 4 + 10
2z -6 = 2z +14
-2z. -2z
-6 /=\ 14
No solution.
Ответ:
Equation: 7+1.25t=43.25
Minutes: 29
Step-by-step explanation:
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