The solution to the pairs of liner equation x+y=13,x-y=3 is
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find x and y, you can use the Process of Elimination.
Step 1: Add the two equations together
x + y = 13
x - y = 3
2x = 16
Step 2: Solve for x
2x = 16
x = 8
Step 3: Solve for y
Plug the value of x (note: x = 8) into one of the original equations to find y.
x + y = 13 ←—- an original equation
8 + y = 13
y = 13 - 8
y = 5
Step 4: Plug the values of x and y into (x^4 - y^4)
(8)^4 - (5)^4
4,096 - 625 = 3,471
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