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Solve these simultaneous equations by substitution: : 1 x + 3y = 11 2 4x - 7y = 6 ​
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2 votes
Solve these simultaneous equations by substitution:

: 1 x + 3y = 11
2 4x - 7y = 6

​

User Worice
by
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1 Answer

2 votes

Step-by-step explanation:


x + 3y = 11 \\ x = 11 - 3y \\ 24x - 7y = 6 \\ 24(11 - 3y) = 6 \\ 264 - 72y = 6 \\ 264 - 6 = 72y \\ 258 =72y \\ 258 = 72y \\ y =

User Andresh Podzimovsky
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