Solve for X, Y, a, b
b=-4
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X+7=3
Consider the first equation. Insert the known values of variables into the equation.
X=3-7
Subtract 7 from both sides.
X=-4
Subtract 7 from 3 to get -4.
a=-4
Consider the third equation. Insert the known values of variables into the equation.
b=-4
Consider the fourth equation. Insert the known values of variables into the equation.
X=-4 Y=7 a=-4 b=-4
The system is now solved.
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