Solve the system of equations by substitution.
x=3y−2
x=5y+8

ANSWER:
X=3y-2
Also,X=5y+8
Then,when put them in one equation with help of sign of equality.
i.e.3y-2=5y+8
3y-5y=8+2
-2y=10
y=10/-2
y=-5
Then value of x can be obtained from any of the given equations.
X=3y-2
X=3*-5-2
X=-15-2
X=-17
Also we can check the answer by solving the other equation:
X=5y+8
X=5*-5+8
X=-25+8
X=-17
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The correct graph is the second one, with the points being at (-6,0), (2,0) and reaching down to (-2,-8)