Exercises 6971 will help you prepare for the material covered in the next section. Solve by the
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Exercises 69–71 will help you prepare for the material covered in the next section.
Solve by the substitution method:
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√4x + 3y = 4 y = 2x - 7.
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4x3y4 y2x7 Substitute 4x...View the full answer
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