7z+4-5z=3+z+8

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Solution for 7z+4-5z=3+z+8 equation:


Simplifying
7z + 4 + -5z = 3 + z + 8

Reorder the terms:
4 + 7z + -5z = 3 + z + 8

Combine like terms: 7z + -5z = 2z
4 + 2z = 3 + z + 8

Reorder the terms:
4 + 2z = 3 + 8 + z

Combine like terms: 3 + 8 = 11
4 + 2z = 11 + z

Solving
4 + 2z = 11 + 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.
4 + 2z + -1z = 11 + z + -1z

Combine like terms: 2z + -1z = 1z
4 + 1z = 11 + z + -1z

Combine like terms: z + -1z = 0
4 + 1z = 11 + 0
4 + 1z = 11

Add '-4' to each side of the equation.
4 + -4 + 1z = 11 + -4

Combine like terms: 4 + -4 = 0
0 + 1z = 11 + -4
1z = 11 + -4

Combine like terms: 11 + -4 = 7
1z = 7

Divide each side by '1'.
z = 7

Simplifying
z = 7

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