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3\left(4-z\right)-\left(x-3\right)=2\left(2x-3\right)
Multiply both sides of the equation by 6, the least common multiple of 2,6,3.
12-3z-\left(x-3\right)=2\left(2x-3\right)
Use the distributive property to multiply 3 by 4-z.
12-3z-x+3=2\left(2x-3\right)
To find the opposite of x-3, find the opposite of each term.
15-3z-x=2\left(2x-3\right)
Add 12 and 3 to get 15.
15-3z-x=4x-6
Use the distributive property to multiply 2 by 2x-3.
15-3z-x-4x=-6
Subtract 4x from both sides.
15-3z-5x=-6
Combine -x and -4x to get -5x.
-3z-5x=-6-15
Subtract 15 from both sides.
-3z-5x=-21
Subtract 15 from -6 to get -21.
-5x=-21+3z
Add 3z to both sides.
-5x=3z-21
The equation is in standard form.
\frac{-5x}{-5}=\frac{3z-21}{-5}
Divide both sides by -5.
x=\frac{3z-21}{-5}
Dividing by -5 undoes the multiplication by -5.
x=\frac{21-3z}{5}
Divide -21+3z by -5.
3\left(4-z\right)-\left(x-3\right)=2\left(2x-3\right)
Multiply both sides of the equation by 6, the least common multiple of 2,6,3.
12-3z-\left(x-3\right)=2\left(2x-3\right)
Use the distributive property to multiply 3 by 4-z.
12-3z-x+3=2\left(2x-3\right)
To find the opposite of x-3, find the opposite of each term.
15-3z-x=2\left(2x-3\right)
Add 12 and 3 to get 15.
15-3z-x=4x-6
Use the distributive property to multiply 2 by 2x-3.
-3z-x=4x-6-15
Subtract 15 from both sides.
-3z-x=4x-21
Subtract 15 from -6 to get -21.
-3z=4x-21+x
Add x to both sides.
-3z=5x-21
Combine 4x and x to get 5x.
\frac{-3z}{-3}=\frac{5x-21}{-3}
Divide both sides by -3.
z=\frac{5x-21}{-3}
Dividing by -3 undoes the multiplication by -3.
z=-\frac{5x}{3}+7
Divide 5x-21 by -3.