solve the equation graphically x+y=6 and 3x-y=10
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// Solve equation 2 for variable x in equation (1) ]
[1] ( y + 4 ) + y = 10
[2] 2y = 10 - 6 = 4
[ // Solve equation (1) for the variable y ]
[1] 2y = 6
[1] y = 6/2 = 3
// By we know this much:
x = y + 4
y = 3
// Use the y value to solve for x
x = (3 + 4 ) = 7
Solution ..
x = 7
y = 3
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