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Find the solution to the following system of linear equations by using the substitution method. y = 4x -4 X+ y = 11

Find the solution to the following system of linear equations by using the substitution method. y = 4x -4 X+ y = 11
asked 81.8k views
4 votes
Find the solution to the following system of linear

equations by using the substitution method.
y = 4x -4
X+ y = 11

asked
User Druckles
by
8.5k points

1 Answer

6 votes

Explanation:


y = 4x - 4 \\ x + y = 11 \\ x + 4x - 4 = 11 \\ 5x = 15 \\ x = 3 \\ y = 4 * 3 - 4 \\ y = 8

answered
User Tomasz Janek
by
7.7k points
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