In June 2024
Answer to Question #311228 in Algebra for james
Equivalent Method; 1. 4x-6y=6 ; 7x-3y=6 2. 3x-3y=8; 9x- 4y=3
"1. \\\\\n4x-6y=6\\\\\n7x-3y=6\\\\\n\\left\\{\\begin{matrix}\n 4x-6y=6\\\\\n7x-3y=6\n\\end{matrix}\\right.\\\\\\left\\{\\begin{matrix}\n 4x-6y=6\\\\\n-14x+6y=-12\n\\end{matrix}\\right.\\\\\n-10x=-6\\\\\nx=0.6\\\\\n7\\cdot0.6-3y=6\\\\\n3y=-1.8\\\\\ny=-0.6\\\\\n(0.6,-0.6)"
"2.\\\\3x-3y=8\\\\\n9x-4y=3\\\\\n\\left\\{\\begin{matrix}\n 3x-3y=8\\\\\n9x-4y=3\n\\end{matrix}\\right.\\\\\n\\left\\{\\begin{matrix}\n -9x+9y=-24\\\\\n9x-4y=3\n\\end{matrix}\\right.\\\\\n5y=-21\\\\\ny=-\\frac{21}{5}\\\\\n3x-3\\cdot(-\\frac{21}{5})=8\\\\\n3x=-\\frac{23}{5}\\\\\nx=-\\frac{23}{15}\\\\\n(-\\frac{23}{15},-\\frac{21}{5})"
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