8z+2z=9z-7

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Solution for 8z+2z=9z-7 equation:


Simplifying
8z + 2z = 9z + -7

Combine like terms: 8z + 2z = 10z
10z = 9z + -7

Reorder the terms:
10z = -7 + 9z

Solving
10z = -7 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
10z + -9z = -7 + 9z + -9z

Combine like terms: 10z + -9z = 1z
1z = -7 + 9z + -9z

Combine like terms: 9z + -9z = 0
1z = -7 + 0
1z = -7

Divide each side by '1'.
z = -7

Simplifying
z = -7

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