5z+3=7z-5

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Solution for 5z+3=7z-5 equation:


Simplifying
5z + 3 = 7z + -5

Reorder the terms:
3 + 5z = 7z + -5

Reorder the terms:
3 + 5z = -5 + 7z

Solving
3 + 5z = -5 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
3 + 5z + -7z = -5 + 7z + -7z

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

Combine like terms: 7z + -7z = 0
3 + -2z = -5 + 0
3 + -2z = -5

Add '-3' to each side of the equation.
3 + -3 + -2z = -5 + -3

Combine like terms: 3 + -3 = 0
0 + -2z = -5 + -3
-2z = -5 + -3

Combine like terms: -5 + -3 = -8
-2z = -8

Divide each side by '-2'.
z = 4

Simplifying
z = 4

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