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Solve for x, y, z
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15x+45=9\left(x+5\right)
Consider the first equation. Use the distributive property to multiply 15 by x+3.
15x+45=9x+45
Use the distributive property to multiply 9 by x+5.
15x+45-9x=45
Subtract 9x from both sides.
6x+45=45
Combine 15x and -9x to get 6x.
6x=45-45
Subtract 45 from both sides.
6x=0
Subtract 45 from 45 to get 0.
x=0
Divide both sides by 6. Zero divided by any non-zero number gives zero.
y=0
Consider the second equation. Insert the known values of variables into the equation.
z=0
Consider the third equation. Insert the known values of variables into the equation.
x=0 y=0 z=0
The system is now solved.