Question Solve the equation r=20 Evaluate 4r−3r=20Solution More Steps Evaluate 4r−3rCollect like terms by calculating the sum or difference of their coefficients (4−3)rSubtract the numbers r r=20 Show Solution Rewrite the equation x2+y2=400 Evaluate 4r−3r=20Evaluate More Steps Evaluate 4r−3rCollect like terms by calculating the sum or difference of their coefficients (4−3)rSubtract the numbers r r=20Square both sides of the equation r2=202To covert the equation to rectangular coordinates using conversion formulas,substitute x2+y2 for r2 x2+y2=202Solution x2+y2=400 Show Solution Graph
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