8z+5z-20+8=28-7z

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Solution for 8z+5z-20+8=28-7z equation:


Simplifying
8z + 5z + -20 + 8 = 28 + -7z

Reorder the terms:
-20 + 8 + 8z + 5z = 28 + -7z

Combine like terms: -20 + 8 = -12
-12 + 8z + 5z = 28 + -7z

Combine like terms: 8z + 5z = 13z
-12 + 13z = 28 + -7z

Solving
-12 + 13z = 28 + -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.
-12 + 13z + 7z = 28 + -7z + 7z

Combine like terms: 13z + 7z = 20z
-12 + 20z = 28 + -7z + 7z

Combine like terms: -7z + 7z = 0
-12 + 20z = 28 + 0
-12 + 20z = 28

Add '12' to each side of the equation.
-12 + 12 + 20z = 28 + 12

Combine like terms: -12 + 12 = 0
0 + 20z = 28 + 12
20z = 28 + 12

Combine like terms: 28 + 12 = 40
20z = 40

Divide each side by '20'.
z = 2

Simplifying
z = 2

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