Can anyone help me write a proof for this?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?