3z-(5z-7)=2(z-23)

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Solution for 3z-(5z-7)=2(z-23) equation:


Simplifying
3z + -1(5z + -7) = 2(z + -23)

Reorder the terms:
3z + -1(-7 + 5z) = 2(z + -23)
3z + (-7 * -1 + 5z * -1) = 2(z + -23)
3z + (7 + -5z) = 2(z + -23)

Reorder the terms:
7 + 3z + -5z = 2(z + -23)

Combine like terms: 3z + -5z = -2z
7 + -2z = 2(z + -23)

Reorder the terms:
7 + -2z = 2(-23 + z)
7 + -2z = (-23 * 2 + z * 2)
7 + -2z = (-46 + 2z)

Solving
7 + -2z = -46 + 2z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-2z' to each side of the equation.
7 + -2z + -2z = -46 + 2z + -2z

Combine like terms: -2z + -2z = -4z
7 + -4z = -46 + 2z + -2z

Combine like terms: 2z + -2z = 0
7 + -4z = -46 + 0
7 + -4z = -46

Add '-7' to each side of the equation.
7 + -7 + -4z = -46 + -7

Combine like terms: 7 + -7 = 0
0 + -4z = -46 + -7
-4z = -46 + -7

Combine like terms: -46 + -7 = -53
-4z = -53

Divide each side by '-4'.
z = 13.25

Simplifying
z = 13.25

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