7z+1-z=10+z+8

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Solution for 7z+1-z=10+z+8 equation:


Simplifying
7z + 1 + -1z = 10 + z + 8

Reorder the terms:
1 + 7z + -1z = 10 + z + 8

Combine like terms: 7z + -1z = 6z
1 + 6z = 10 + z + 8

Reorder the terms:
1 + 6z = 10 + 8 + z

Combine like terms: 10 + 8 = 18
1 + 6z = 18 + z

Solving
1 + 6z = 18 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
1 + 6z + -1z = 18 + z + -1z

Combine like terms: 6z + -1z = 5z
1 + 5z = 18 + z + -1z

Combine like terms: z + -1z = 0
1 + 5z = 18 + 0
1 + 5z = 18

Add '-1' to each side of the equation.
1 + -1 + 5z = 18 + -1

Combine like terms: 1 + -1 = 0
0 + 5z = 18 + -1
5z = 18 + -1

Combine like terms: 18 + -1 = 17
5z = 17

Divide each side by '5'.
z = 3.4

Simplifying
z = 3.4

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