solve for x and y ax+by=c bx-ay=c
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ax+by=c multiply a on both sides to get
a²x+aby=ac
bx-ay=c multiply b on both sides to get
b²x-aby=bc
adding the equations we get x=(a+b)c/a²+b²
doing the same opposite for y or substituting x we can get y=(b-a)c/a²+b²
a²x+aby=ac
bx-ay=c multiply b on both sides to get
b²x-aby=bc
adding the equations we get x=(a+b)c/a²+b²
doing the same opposite for y or substituting x we can get y=(b-a)c/a²+b²
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