Describe how to find the number of seats on the middle and lower levels of the stadium when solving for the variable only gives
2 answers:
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We need to get the variable on one side (usually the left side) and all other constants (like numbers and certain symbols like 
) on the opposite side of the variable (usually the right side).
4(2s - 1) = 7s + 12 // Our starting equation
8s - 4 = 7s + 12 // Distribute the 4 across the 2s and the -1
s - 4 = 12 // Subtract both sides by 7s
s = 16 // Add both sides by 4
The variable s is equal to 16.
4(2s - 1) = 7s + 12 // Our starting equation
8s - 4 = 7s + 12 // Distribute the 4 across the 2s and the -1
s - 4 = 12 // Subtract both sides by 7s
s = 16 // Add both sides by 4
The variable s is equal to 16.