Solve for x, y, z
z=45
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y=4\times 5+5\times 5
Consider the second equation. Insert the known values of variables into the equation.
y=20+25
Do the multiplications.
y=45
Add 20 and 25 to get 45.
z=45
Consider the third equation. Insert the known values of variables into the equation.
x=5 y=45 z=45
The system is now solved.
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