Question

If 2x+5= 12 for some value of x, then what does 6x+20 equal???

Answer 1

1. Solve for x in 2x + 5 = 12
2x + 5 = 12       Subtract 5 from both sides.
2x = 7               Divide 2 from both sides.
x = 3.5

2. Substitute 3.5 in for x in 6x + 20
6(3.5) + 20
21 + 20
41

Your answer is 41.

Answer 2

Here is the answer to the question