Y=3x+2 and x+2y=11 how do you solve these linear equations by using substitution

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asked Sep 13, 2021 90.1k views

1 Answer

Morgan G · Answer 1 · 2021-09-19T19:18:00+0000

Plug in y=3x+2 into the y in the second equation.

x + 2(3x+2) = 11
x + 6x + 4 = 11
7x + 4 = 11
7x = 7
x = 1

then, plug the x value into x in the first equation.

y = 3(1) + 2
y = 3 +2
y = 5

Y=3x+2 and x+2y=11 how do you solve these linear equations by using substitution

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