Grade 9
chaper 4 ( linear equations in two variables)
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Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition