Charles's law states that at constant pressure, the volume of a fixed
amount of gas varies directly with its temperature measured in degrees
velvin. a gas has a volume of 250 ml at 300 k.
write an equation for the relationship between volume
and temperature.
what is the volume if the temperature increases to 420 k?

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

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step-by-step explanation:

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step-by-step explanation:

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