Each x block shown on the scale has the
same weight. See if you can answer the
question and solve the riddle. When you
have your answer, enter it in the box
below and select Submit to see if you are
correct. If you are correct, the Wise Tree
will reveal some words of wisdom.
How Much Does Each "x" Weight
Weigh?

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step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.