3+5z-1=7z+7-3z

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Solution for 3+5z-1=7z+7-3z equation:


Simplifying
3 + 5z + -1 = 7z + 7 + -3z

Reorder the terms:
3 + -1 + 5z = 7z + 7 + -3z

Combine like terms: 3 + -1 = 2
2 + 5z = 7z + 7 + -3z

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

Combine like terms: 7z + -3z = 4z
2 + 5z = 7 + 4z

Solving
2 + 5z = 7 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
2 + 5z + -4z = 7 + 4z + -4z

Combine like terms: 5z + -4z = 1z
2 + 1z = 7 + 4z + -4z

Combine like terms: 4z + -4z = 0
2 + 1z = 7 + 0
2 + 1z = 7

Add '-2' to each side of the equation.
2 + -2 + 1z = 7 + -2

Combine like terms: 2 + -2 = 0
0 + 1z = 7 + -2
1z = 7 + -2

Combine like terms: 7 + -2 = 5
1z = 5

Divide each side by '1'.
z = 5

Simplifying
z = 5

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