The first three terms of a geometric sequence are as follows.
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<h2>Given↷</h2>
A system of equations
- y= x-1
- y= -2x+5
- The solution to the system of equations
- (2,1)
y = x -1 _ _ _ _ _ _(1)
y=-2x+5_ _ _ _ _ _(2)
- subtracting equation 2 from equation 1,
we get,
x -1 = y
-(-2x +5 = y)
__________
3x -6 = 0
3x = 6
x = 6/3
x = 2
___________
- Plugging the value of x in equation 1,
y= 2-1
y= 1
- hence, the solution of this system of equation is (2,1)