8x + 12 = 4r - 16 find r
1 answer
Answers
Answer:r = 2x + 7Step-by-step explanation:get r on one side8x + 12 + 16 = 4rdivide both sides by 4 to get r by itself8x/4 + 12/4 + 16/4 = 4r/42x + 3 + 4 = r2x + 7 = ror r = 2x + 7
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