Question

Twice a number increased by seven is equal to five. Which of the following represents the equation and solution for this statement?

2n + 7 = 5; n = -4.5
2n = 7 + 5; n = 6
2(n + 7) = 5; n = -4.5
2n + 7 = 5; n = -1

Answer 1

the answer is 2n+7=5; n=-1