Question

7x+9y=0.964
2x+7y=0.674​

Answer 1

Step-by-step explanation:

7x+9y=0.964.....×2

2x+7y=0.674....×7

14x+18y=1.928

14x+49y=4.718

subtracting

-31y= -2.790

y= -2.799/-31

y=.09

7x+9*.09=0.964

7x=0.964 - 0.81

7x=.154

x=.154/7=.022