Question Solve the equation r=28 Evaluate 4r−12=−5Move the constant to the right-hand side and change its sign 4r=−5+12Add the numbers 4r=7Cross multiply r=4×7Solution r=28 Show Solution Rewrite the equation x2+y2=784 Evaluate 4r−12=−5Simplify the expression 41r−12=−5Multiply both sides of the equation by LCD (41r−12)×4=−5×4Simplify the equation More Steps Evaluate (41r−12)×4Apply the distributive property 41r×4−12×4Simplify r−12×4Multiply the numbers r−48 r−48=−5×4Simplify the equation r−48=−20Rewrite the expression r=48−20Simplify the expression r=28Square both sides of the equation r2=282To covert the equation to rectangular coordinates using conversion formulas,substitute x2+y2 for r2 x2+y2=282Solution x2+y2=784 Show Solution Graph
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