Which of the following equations has infinitely many real solutions? A. 7x + 1 = 7x − 1 B. 7(x − 6) = 7x − 42 C. 7(x − 6) = 7x + 42 D. 7x + 1 = x − 1

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Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.