Clear fractions then solve by substitution.
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Correct Answer:
Verified
Q69: Clear fractions then solve by substitution.
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Q70: Clear fractions then solve by substitution.
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Q71: Clear fractions then solve by substitution.
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Q72: Clear fractions then solve by substitution.
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Q73: Clear fractions then solve by substitution.
-
Q75: Clear fractions then solve by substitution.
-3x -
Q76: Clear fractions then solve by substitution.
-x +
Q77: Solve by the substitution method.
-0.6x + 0.4y
Q78: Solve by the substitution method.
-0.9x + 0.7y
Q79: Solve by the substitution method.
--0.5x - 0.5y
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