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Solve for x, y, z
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x-7=10x+15-13
Consider the first equation. Use the distributive property to multiply 5 by 2x+3.
x-7=10x+2
Subtract 13 from 15 to get 2.
x-7-10x=2
Subtract 10x from both sides.
-9x-7=2
Combine x and -10x to get -9x.
-9x=2+7
Add 7 to both sides.
-9x=9
Add 2 and 7 to get 9.
x=\frac{9}{-9}
Divide both sides by -9.
x=-1
Divide 9 by -9 to get -1.
y=-1
Consider the second equation. Insert the known values of variables into the equation.
z=-1
Consider the third equation. Insert the known values of variables into the equation.
x=-1 y=-1 z=-1
The system is now solved.