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Identity, Contradiction, and Number of Solutions
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ACT Prep
ACTM.076 Identity, Contradiction, and Number of Solutions
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For the linear equation (-19x + 20)/4 + 2x + 3 = -4(x + 5)/5 - (39/20)x - 12, choose the correct solution-count statement.
A
Infinitely many solutions, because the same variable appears throughout.
B
Cannot be determined unless every term is moved to the left side.
C
No solution, because simplifying leaves 8 = -16, which is false.
D
One solution, because both sides are linear expressions in x.
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