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lindamillscotton90
02.11.2020 •
Mathematics
Solve equation for x. Check your answers. (Solutions may not be integers)
5 - 2(x - 1) = 12
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Ответ:
Step-by-step explanation:
5 - 2 ( x - 1 ) = 12
5 - 2x + 2 = 12
-2x = 12 - 5 - 2
-2x = 5
x = -5 / 2
or x = -2.5
Hope this helps
plz mark as brainliest
Ответ:
x= -5/2 x = -2.5 same thing just one is fraction and the other is decimal
Step-by-step explanation:
subtract 5 from both sides
-2(x-1)=7
divide both sides by -2
x-1= -7/2
add 1 to both sides
x= -5/2 x=-2.5
you can plug it x back in to check you answer
5 - 2 ( -5/2 -1) = 12
5 - 2 (-7/2) = 12
5 + 7 = 12
12 = 12 so this is correct
Ответ:
40°F
Step-by-step explanation:
-10+10°F=0°F+30°F=30°F