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Ellis Copeland
Mathematics
5 August, 23:08
Solve the system by substitution
y=3x+3
y=2x
+5
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1
)
Van Hensley
5 August, 23:17
0
{y=3x+3
{y=2x
⇒3x+3=2x / - 2x
x+3=0 / - 3
x=-3
y=2x = 2 * (-3) = - 6
y=-6
Solution: (-3; - 6)
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