For a system of two variables and two equations, each equation will be a linear graph, and where the lines intersect is the solution as an ordered pair (x,y). If the lines don’t intersect (they’re parallel) so there is no unique solution.
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A. 24 servings. you take the faction 1 1/4 and convert it into a decimal (1.25). 1.25×24=30. Therefore making your answer "A".
X can be 4 or -4
As a minus by a minus is a positive
