9z-3=-7+8z

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Solution for 9z-3=-7+8z equation:


Simplifying
9z + -3 = -7 + 8z

Reorder the terms:
-3 + 9z = -7 + 8z

Solving
-3 + 9z = -7 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
-3 + 9z + -8z = -7 + 8z + -8z

Combine like terms: 9z + -8z = 1z
-3 + 1z = -7 + 8z + -8z

Combine like terms: 8z + -8z = 0
-3 + 1z = -7 + 0
-3 + 1z = -7

Add '3' to each side of the equation.
-3 + 3 + 1z = -7 + 3

Combine like terms: -3 + 3 = 0
0 + 1z = -7 + 3
1z = -7 + 3

Combine like terms: -7 + 3 = -4
1z = -4

Divide each side by '1'.
z = -4

Simplifying
z = -4

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