7z+2=8z-2z

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Solution for 7z+2=8z-2z equation:


Simplifying
7z + 2 = 8z + -2z

Reorder the terms:
2 + 7z = 8z + -2z

Combine like terms: 8z + -2z = 6z
2 + 7z = 6z

Solving
2 + 7z = 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.
2 + 7z + -6z = 6z + -6z

Combine like terms: 7z + -6z = 1z
2 + 1z = 6z + -6z

Combine like terms: 6z + -6z = 0
2 + 1z = 0

Add '-2' to each side of the equation.
2 + -2 + 1z = 0 + -2

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

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

Divide each side by '1'.
z = -2

Simplifying
z = -2

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