Question

2w+3squareroot of w=14

Answer 1

\[2w+3\sqrt{w}=14\]

Answer 2

solve by substitution

Answer 3

w= 4
Don't know how to solve it by substitution

Answer 4

i got 4 also

Answer 5

what did you use?

Answer 6

i got w=4 and w = -7/2

Answer 7

Just looked at the problem & guessed, then checked my math.

Answer 8

lol wtf, good guess

Answer 9

well, if you look at it, you know odds are w has to be a number that has an integer square root. And it has to be pretty low. So, 4 was the first number that came to mind, because 9 is the next square, and it's already too high.