2x+7=79

i think it is 43

4 answers

No.

You need to subtract 7 from both sides of the equation.

Please try again.
32 1/2
You're closer, but still wrong.

Check your division.
2x+7=79

2 x + 7 - 7 = 79 - 7

2 x + 0 = 72

2 x/2 = 72/2

x = 72/2

72 inches is six feet so half of that is three feet which is 36 inches :)