5u+6v=11uv and 10u+9v=21uv find the value of u and v
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Step-by-step explanation: 5u+6v=11uv-----1 10u+9v=21uv-----2 10×5u+6v=11uv 5×10u+9v=21uv 50u+60v=110uv 50u+45v=105uv -. -. - ________________ 0u+15v=5uv v=5uv/15 v=1/3uv sub v=1/3uv in equation 1 5u+6(1/3uv)=11uv 5u+3uv=11uv 5u=11uv-3uv 5u=8uv u=8uv/5
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