Question

twice a number decreased by 7 gives 45.find the number.

Answer 1

I THINK THE NUMBER IS 26
2X-7=45
2X=52
X=52/2
X=26.......

Answer 2

Let no. be x
2x -7 = 45
2x = 45 + 7
2x = 52
x = 52/2
x = 26