Andrea wanted to buyy some grapes. If she bought 8kg of grapes, she would be $3 short. If she bought 6kg of grapes, she would ha
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4(q+3) + 3q = -30
4q +12 + 3q = -30
7q+12= -30
7q = -12-30
7q = -42
q = -6
p = -3
4q +12 + 3q = -30
7q+12= -30
7q = -12-30
7q = -42
q = -6
p = -3