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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

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
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2 votes
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

User Miskohut
by
7.8k points

2 Answers

5 votes
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!
User Ebenezar John Paul
by
8.4k points
5 votes
2x + y = 7
2x +x + 1 = 7
3x + 1 = 7

answer : 3x + 1 = 7
User Brandon Bertelsen
by
8.3k points
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