Guide :Elementary School

3x+3y=10 -9x-9y=-30

3x+3y=10 -9x-9y=-30
There is no solution for this answersolve problems by eliminationeqn1) 3x+3y=10 eqn2) -9x-9y=-301st multiply eqn 1 by 3= 9x+9y=30now add the 2 equations eqn1) 9x+9y=30eqn2) -9x-9y=-30x term: eqn1+eqn2 = (9x-9x) =0xy term: eqn1+eqn2 = (9y-9y) =0ycoefficient term: 30-30=0new eqn = 0x +0y = 0 ...

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