Mathematics, 27.01.2020 19:31, lunarStudios123

2x + y = 7

y = x + 1

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

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

Answers: 1

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2x + y = 7

y = x + 1

when the expression x+1 is substituted in for y in the...