7+3z-4=8z+30-2z

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Solution for 7+3z-4=8z+30-2z equation:


Simplifying
7 + 3z + -4 = 8z + 30 + -2z

Reorder the terms:
7 + -4 + 3z = 8z + 30 + -2z

Combine like terms: 7 + -4 = 3
3 + 3z = 8z + 30 + -2z

Reorder the terms:
3 + 3z = 30 + 8z + -2z

Combine like terms: 8z + -2z = 6z
3 + 3z = 30 + 6z

Solving
3 + 3z = 30 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
3 + 3z + -6z = 30 + 6z + -6z

Combine like terms: 3z + -6z = -3z
3 + -3z = 30 + 6z + -6z

Combine like terms: 6z + -6z = 0
3 + -3z = 30 + 0
3 + -3z = 30

Add '-3' to each side of the equation.
3 + -3 + -3z = 30 + -3

Combine like terms: 3 + -3 = 0
0 + -3z = 30 + -3
-3z = 30 + -3

Combine like terms: 30 + -3 = 27
-3z = 27

Divide each side by '-3'.
z = -9

Simplifying
z = -9

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