A symphony orchestra typically uses twice as many violins as cellos. If 36 violins are used, solve the equation 2x = 36 to find the number of cellos used.
x = 18; There are 18 cellos used.
Grant has $7 in his pocket after spending $8 at the movies. The equation shown can be used to find d, how many dollars he had before going to the movies. What step should be taken to get the variable alone? d - 8 = 7
Add 8 to each side of the equation.
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