Câu 1:
Theo đề ra ta có :
\(\dfrac{a+70}{b-116}=\dfrac{a}{b}\)
\(\Rightarrow\left(a+70\right)b=\left(b-116\right)a\)
\(\Rightarrow ab+70b=ba-116a\)
\(\Rightarrow70b+116a=0\)
\(\Rightarrow-70b=116a\)
=> \(-35b=58a\)
=> a = -35 ; b = 58
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