LoveHalo4758
19.08.2020 •
Mathematics
Solve the equation for x
Solved
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Ответ:
the answer is 5
Step-by-step explanation:
2x/5 - 9 = -7
2x/5 = -7 + 9
2x/5 = 2
2x = 2 * 5
2x = 10
x = 10/2
x = 5
Ответ:
x = 5
Step-by-step explanation:
2
--- x - 9 = -7 add 9 both sides
5
2
--- x - 9 + 9 = -7 + 9
5
2
--- x = 2 multiply both sides by 5
5
2
5 * --- x = 2 * 5
5
2x = 10
x = 10 / 2
x = 5
Ответ:
B. $150 off
C. You would save $75 by purchasing from the first dealer
D. The percent difference is 1%, Yes 1% is the same as my answer in part C ($75)