Question

Solve the pair of linear equation using substitution
8x+5y=9
3x+2y=4

Answer 1

Answer:

8x+5y=9

3x+2y=4

2y=4-3x

y=4-3x/2

substitute it in first equation

8x+(20-15x)/2=9

16x+20-15x/2 =9

20+x/2 =9

20+x=18

x=-2

y=5

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Step-by-step explanation: