pantojaiv90
29.10.2020 •
Mathematics
Solve.
50 = -2.5x
a. x= 115
b. x= 115
c. x= 20
d. x= -20
Solved
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Ответ:
x=-20
Step-by-step explanation:
50÷-2.5=-20
Ответ:
d. x = -20
Step-by-step explanation:
Given 50 = -2.5x, we are told to solve for x, which only involves two steps:
50 = -2.5x
÷-2.5 ÷-2.5
(Division property of equality)
-20 = x
x = -20
(symmetric property of equality)
Ответ:
2
Step-by-step explanation: