8z+5=7z+4

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Solution for 8z+5=7z+4 equation:


Simplifying
8z + 5 = 7z + 4

Reorder the terms:
5 + 8z = 7z + 4

Reorder the terms:
5 + 8z = 4 + 7z

Solving
5 + 8z = 4 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
5 + 8z + -7z = 4 + 7z + -7z

Combine like terms: 8z + -7z = 1z
5 + 1z = 4 + 7z + -7z

Combine like terms: 7z + -7z = 0
5 + 1z = 4 + 0
5 + 1z = 4

Add '-5' to each side of the equation.
5 + -5 + 1z = 4 + -5

Combine like terms: 5 + -5 = 0
0 + 1z = 4 + -5
1z = 4 + -5

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

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

Simplifying
z = -1

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