3 years ago

Solve simultaneous equation X-2y=1 2x-y=2

Mathematics

2 answers:

Step2247 [10]3 years ago

7 0

Answer: x=1,y=0

Step-by-step explanation:

X-2y=1.....equation 1

2x-y=2.....equation 2

X=1+2y.......equation 3

Substitute equation 3into 2

2(1+2y)-y=2

2+4y-y=2

2+3y=2

3y=2-2

3y=0

Y=0/3

Y=0

Substitute for y=0 in equation 1

X-2y=1

X-2(0)=1

X-0=1

X=1

X=1 & Y=0

iogann1982 [59]3 years ago

7 0

Answer:

x=1

y=0

Step-by-step explanation:

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