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hughesbella
23.01.2020 •
Mathematics
Does -2(z+3)-z=-z-4(z+2) have one,zero or infinite solutions
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Ответ:
Hello from MrBillDoesMath!
One solution (z = -1)
Discussion:
-2(z+3)-z=-z-4(z+2) =>
-2z -6 -z = -z -4z - 8 =>
-3z -6 = -5z -8 => add 6 to both sides
-2z = -5z -2 => add 5z to both sides
3z = -5z +5z -3 =>
3z = -3 =>
z = -1
Thank you,
MrB
Ответ:
put the pictures of the tanks
Step-by-step explanation: