Math, asked by praju77, 9 months ago

2x-7y=11,6x-21=33 by substitution method

Answers

Answered by varshitha729

9

take 6x-21=33

6x=33+21

x=54/6

x=9

Now substitute x value in eq 1

2x-7y=11

2(9)-7y=11

-7y=11-18

y=7/7

y=1

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