7z+4=8y-4

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Solution for 7z+4=8y-4 equation:


Simplifying
7z + 4 = 8y + -4

Reorder the terms:
4 + 7z = 8y + -4

Reorder the terms:
4 + 7z = -4 + 8y

Solving
4 + 7z = -4 + 8y

Solving for variable 'z'.

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

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

Combine like terms: 4 + -4 = 0
0 + 7z = -4 + -4 + 8y
7z = -4 + -4 + 8y

Combine like terms: -4 + -4 = -8
7z = -8 + 8y

Divide each side by '7'.
z = -1.142857143 + 1.142857143y

Simplifying
z = -1.142857143 + 1.142857143y

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