7z-4=13+2

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Solution for 7z-4=13+2 equation:


Simplifying
7z + -4 = 13 + 2

Reorder the terms:
-4 + 7z = 13 + 2

Combine like terms: 13 + 2 = 15
-4 + 7z = 15

Solving
-4 + 7z = 15

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 = 15 + 4

Combine like terms: -4 + 4 = 0
0 + 7z = 15 + 4
7z = 15 + 4

Combine like terms: 15 + 4 = 19
7z = 19

Divide each side by '7'.
z = 2.714285714

Simplifying
z = 2.714285714

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