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It is an equation and the value of r is 66
so 26 = 4r so r = 6½
E = U R U = E/R = 460/92 = 5 Amperes
r=-29
r=2
v
r+5r+5=-25
r + 11 + 8r = 29
25
r=8
r + 14 = 39 r = 25
What is ; -r-8+6r=-13.=]
r = 25