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Practice solving by using the substitution method.
Examine the system of equations.

y = –3x – 2,

y = 7

The value of x is
.
The solution to this system of equations is
.

Practice solving by using the substitution method Examine the system of equations y 3x 2 y 7 The value of x is The solution to this system of equations is class=

Respuesta :

Y=-3x-2
7=-3x-2
7+2=-3x-2+2
9=-3x
X=-3

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