Solve for x, z, y
x=3
y=7
z=2
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3+2\times 2=y
Consider the first equation. Insert the known values of variables into the equation.
3+4=y
Multiply 2 and 2 to get 4.
7=y
Add 3 and 4 to get 7.
y=7
Swap sides so that all variable terms are on the left hand side.
x=3 z=2 y=7
The system is now solved.
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