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 What do you want to find for 7y+2x=11,3x-y=5 1. Substitution method 2. Elimination method 3. Cross Multiplication method 4. Addition-Substraction method 5. Graphical method 6. Inverse matrix method 7. Cramer's Rule method 8.

 Solution Find 7y+2x=11,3x-y=5Solution:Your problem -> 7y+2x=11,3x-y=57y+2x=11:.2x+7y=11and  3x-y=5:.3x-y=5Suppose,2x+7y=11 ->(1)and 3x-y=5 ->(2)Taking equation (2), we have3x-y=5=>y=3x-5 ->(3)Putting y=3x-5 in equation (1), we get2x+7y=11=>2x+7(3x-5)=11=>2x+21x-35=11=>23x-35=11=>23x=11+35=>23x=46=>x=2 ->(4)Now, Putting x=2 in equation (3), we gety=3x-5=>y=3(2)-5=>y=6-5=>y=1:. y=1" and "x=2 Solution provided by AtoZmath.com Any wrong solution, solution improvement, feedback then Submit Here Want to know about AtoZmath.com and me