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Inlinear equation170 steps have they taken when they get to the last pebble on this part of the path.What in mathematics is a linear equation?A linear equationis a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is they-intercept.Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.Hansel and Gretel used pebble to mark every 10 steps as they walked along the path.Thus, 1 pebble = 10 stepsHansel and Gretel have 17 pebblesNumber of steps they have taken = 17 × 10 = 170 stepsLearn more aboutlinear equationbrainly.com/question/11897796#SPJ4...