7z+2=8+2z+12

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Solution for 7z+2=8+2z+12 equation:


Simplifying
7z + 2 = 8 + 2z + 12

Reorder the terms:
2 + 7z = 8 + 2z + 12

Reorder the terms:
2 + 7z = 8 + 12 + 2z

Combine like terms: 8 + 12 = 20
2 + 7z = 20 + 2z

Solving
2 + 7z = 20 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
2 + 7z + -2z = 20 + 2z + -2z

Combine like terms: 7z + -2z = 5z
2 + 5z = 20 + 2z + -2z

Combine like terms: 2z + -2z = 0
2 + 5z = 20 + 0
2 + 5z = 20

Add '-2' to each side of the equation.
2 + -2 + 5z = 20 + -2

Combine like terms: 2 + -2 = 0
0 + 5z = 20 + -2
5z = 20 + -2

Combine like terms: 20 + -2 = 18
5z = 18

Divide each side by '5'.
z = 3.6

Simplifying
z = 3.6

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