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For the following system, use the second equation to make a substitution for y in the first equation. 3 x + y = 2 y + 4 = 3 x

For the following system, use the second equation to make a substitution for y in the first equation. 3 x + y = 2 y + 4 = 3 x
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5 votes
For the following system, use the second equation to make a substitution for y in the first equation.

3 x + y = 2
y + 4 = 3 x

User Nijm
by
8.5k points

1 Answer

6 votes
3x+y=2
y+4=3x

3x+3x-4=2
6x=6
x=1
User Ndrone
by
8.2k points
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