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Use calculator verification for one-variable equations
Grade Level
SAT Prep
M020 Use calculator verification for one-variable equations
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A calculator check is used to test x = 4 in 2/3(x + 1) + 25/3 = 5/4(x - 1) + 27/4. Which option gives the correct comparison and conclusion?
A
left side = 35/3, right side = 21/2; accept because both sides were evaluated.
B
left side = 35/3, right side = 35/3; reject because the values are equal.
C
left side = 21/2, right side = 21/2; accept because the displayed values match.
D
left side = 35/3, right side = 21/2; reject because the values are unequal.
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