Solve the simultaneous equation

x+2y=5
x²-y²=-3​

y = 14/3 and 2

x = -13/3 and 1

(-13/3, 14/3) and (1, 2)

Step-by-step explanation:

for equation (a)

make x the subject of the formular:

for equation (b)

substitute for x as 5 - 2y in equation (b):

therefore,

substitute for all values of y in equation (c):

for y = 14/3:

for y = 2:

unpaid balance is : $149.99-$50 = $99.99 new balance = 149.99+2.62-50 = $102.61 finance charge = 99.99- 0.21/12= $1.75 new balance = 99.99+1.75 = $101.74 average daily balance method average daily balance= 3399.70/30 = $113.32 finance charge = $ 0.21/12ă—113.32 = $1.98 new balance = $149.99-50+1.98 = $101.97

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