lunajacob647 lunajacob647

22-03-2017
Mathematics

Answered

2x + y = 7

y = x + 1

When the expression x+1 is substituted in for y in the first equation, the result is

x + 1 = 7

2x + 1 = 7

3x + 1 = 7

Verified Answer :

Anonymous Anonymous

22-03-2017

2x + y = 7
2x +x + 1 = 7
3x + 1 = 7

answer : 3x + 1 = 7

Answer Link

Anonymous Anonymous

22-03-2017

y = x+1

When the expression x+1 is substituted in for y in the first equation
2x + y = 7
⇒ 2x + (x+1) = 7
⇒ 2x + x + 1 = 7
⇒ 3x + 1 = 7

Hope it helps!

Answer Link

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