1.

Solve by elimination method x+y=5and2x-2y=2​

Answer»

x+y=5 ......i2x-2y=2.......iinow multiply equation ii by 2then we GET 2x+2y=10......iiinow eliminate it 2x+2y=10......iii+ 2x-2y=2.......ii-------------------------4x=12therefore x=12÷4x=3now substitute x=3 in equation ii2×3-2×y=26-2y=22y=2-62y=-4y= -4÷2y= -2(x,y) = (3,-2)



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