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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


Sagot :

Step-by-step explanation:

[tex]y = 4x - 4 \\ x + y = 11 \\ x + 4x - 4 = 11 \\ 5x = 15 \\ x = 3 \\ y = 4 \times 3 - 4 \\ y = 8[/tex]