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[" 4solve the following by the methood "],[" of substitution: "],[" 11"1x+15y+23=0],[7x-2y-20=0]

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Solve the following system of by the method of eliminations:(i)11x+15y+23=0 ,7x-2y-20=0

Solve the following pair of linear equations by the method of substitution : 7x-15y-2=0 and x+2y=3

Solve the system of equation :11x+15y+23=0,7x-2y-20=0

Solve the following equation by the substitution method. 2x+y=7" and "4x-3+1=0

Solve the following system of by the method of eliminations: 0.4x-15y=6.5 ,0.3x+0.2y=0.9

Solve the following system of equations: 11x+15y+23=0,quad 7x-2y-20=0

Solve the following pair of equations by substitution method: 7x - 15y = 2 x+2y = 3

Solve, using the method of substitution 1.5x + 0.1 y = 6.2, 3x - 0.4y = 11.2

7x-15y-2=0 x+2y-3=0