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Solve for a
va – r + m = y
a = y2 + 2my + m² +r
a = y2 – 2my + m² + r
a = y2 – my + m² +r
a = y2 + m2 +r

Solve for a va r m y a y2 2my m r a y2 2my m r a y2 my m r a y2 m2 r class=