Increasing a number by five and then doubling the outcome is the same as decreasing the number by twelve. Find the original number.

Answer 1

(X+5)2 = X-12

And solve for X

2X+ 10 = X -12

Subtract X from both sides

Then deal with 10 on the side with the X subtracting from both sides

X + 10 = -12

X= -22

Answer 2

Increasing a number by five: x + 5

Then doubling the outcome: 2(x+5)

is the same as: =

Decreasing the number by twelve: x - 12

2(x+5) = x - 12

Solve for x. It's a negative number.