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x-5-2\left(3x+1\right)=4\left(4x-3\right)-3\left(5x+1\right)
Consider the first equation. Multiply both sides of the equation by 12, the least common multiple of 12,6,3,4.
x-5-6x-2=4\left(4x-3\right)-3\left(5x+1\right)
Use the distributive property to multiply -2 by 3x+1.
-5x-5-2=4\left(4x-3\right)-3\left(5x+1\right)
Combine x and -6x to get -5x.
-5x-7=4\left(4x-3\right)-3\left(5x+1\right)
Subtract 2 from -5 to get -7.
-5x-7=16x-12-3\left(5x+1\right)
Use the distributive property to multiply 4 by 4x-3.
-5x-7=16x-12-15x-3
Use the distributive property to multiply -3 by 5x+1.
-5x-7=x-12-3
Combine 16x and -15x to get x.
-5x-7=x-15
Subtract 3 from -12 to get -15.
-5x-7-x=-15
Subtract x from both sides.
-6x-7=-15
Combine -5x and -x to get -6x.
-6x=-15+7
Add 7 to both sides.
-6x=-8
Add -15 and 7 to get -8.
x=\frac{-8}{-6}
Divide both sides by -6.
x=\frac{4}{3}
Reduce the fraction \frac{-8}{-6} to lowest terms by extracting and canceling out -2.
y=\frac{4}{3}+4-\frac{4}{3}-\frac{4}{3}+3\times 15
Consider the second equation. Insert the known values of variables into the equation.
y=\frac{16}{3}-\frac{4}{3}-\frac{4}{3}+3\times 15
Add \frac{4}{3} and 4 to get \frac{16}{3}.
y=4-\frac{4}{3}+3\times 15
Subtract \frac{4}{3} from \frac{16}{3} to get 4.
y=\frac{8}{3}+3\times 15
Subtract \frac{4}{3} from 4 to get \frac{8}{3}.
y=\frac{8}{3}+45
Multiply 3 and 15 to get 45.
y=\frac{143}{3}
Add \frac{8}{3} and 45 to get \frac{143}{3}.
z=\frac{143}{3}
Consider the third equation. Insert the known values of variables into the equation.
x=\frac{4}{3} y=\frac{143}{3} z=\frac{143}{3}
The system is now solved.