Raymond C. answered • 12/10/20
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{x=y-6
{6x-3y=-9
6(y-6)-3y = -9
6y-36-3y = -9
3y-36 = -9
3y = 27
y = 9
x = 3
Jose R.
asked • 12/10/20Find the solution to the system by using the substitution method.
{x=y-6
{6x-3y=-9
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