Answer: r=-4
Step-by-step explanation: -3(2r + 7)=3 (−3)(2r)+(−3)(7)=3 −6r+−21=3 −6r−21+21=3+21 -6r/-6=24/-6 r=-4
Answer:
r = -4
Explanation:
2r + 7 = - 1
2r = - 1 - 7
2r = - 8
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