Question: Practice: Solve for X 1. 30X = (90)(40) 2. 15X + 2 = 5X + 4 3. 15X - 2 = 10X - 4 4.

Practice:Solve for X

1. 30X = (90)(40)

2. 15X + 2 = 5X + 4

3. 15X - 2 = 10X - 4

4. Calculate R to the correct number of significant figures in the following equation:PV=nRT,

where P=2.560, T=275, n=1.0, V=8.8 (We will not be concerned at this time about the units for the

quantities)

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