solve by elimination - 9x+10y=29 and 10x+9y=28
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- 9x+10y=29
Multiplying by 10 we get
-90x+100y=290 ----(i)
10x+9y=28
Multiplying by 9 we get
90x+81y=252-----(ii)
Adding (i) and (ii) we get
181y=542
y=542/181
x=28-9y/10=28-9*542/181=190/181
Multiplying by 10 we get
-90x+100y=290 ----(i)
10x+9y=28
Multiplying by 9 we get
90x+81y=252-----(ii)
Adding (i) and (ii) we get
181y=542
y=542/181
x=28-9y/10=28-9*542/181=190/181
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