4n - 132 = 88 + 132 +132 4n = 220 / / 4 4 n = 55
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Let the number be 'm' & 'n' Hence mn = 88 m + n = 18 m = 18 - n Substitute (18 - n)n = 88 18n - n^2 = 88 n^2 - 18n + 88 = 0 This does not readily factor so apply the Quadratic Eq'n. n = { --18 +/-sqrt[(-18)^2- 4(1)(88)]} 2(1) n = { 18 +/- sqrt[324 -352]} / 2 n = { 18 +/-sqrt[-28]} / 2 This is unresolved as you cannot take the 'square root; of a negative number.
30.76 if n=4 and 4 nis substituted into the equation the equation the becomes 4x7.69 which equals 30.76
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To solve this equation, we need to isolate the variable n. Start by dividing both sides of the equation by 4 to get n alone. This gives us n = 3.60 / 4. Simplifying further, n = 0.90. Therefore, the value of n in this equation is 0.90.
n + 1/4 = 9/20 n + 5/20 = 9/20 n = 4/20 = 1/5