CBSE BOARD X, asked by janvisharma8677, 1 year ago

0.3x+0.4y=1 6x+8y=20 solve by elimination method

Answers

Answered by macbee
0
0.3x+0.4y=20
16x+8y=20

30x+40y=200
16x+8y=20

30x+40y=20
-80x-40y=-100

-50x=-80
x=-80÷(-50)=1.6

y=-0.7

i hope this is the answer
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