[z+4]+[z+1]=4

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Solution for [z+4]+[z+1]=4 equation:


Simplifying
[z + 4] + [z + 1] = 4

Reorder the terms:
[4 + z] + [z + 1] = 4

Remove brackets around [4 + z]
4 + z + [z + 1] = 4

Reorder the terms:
4 + z + [1 + z] = 4

Remove brackets around [1 + z]
4 + z + 1 + z = 4

Reorder the terms:
4 + 1 + z + z = 4

Combine like terms: 4 + 1 = 5
5 + z + z = 4

Combine like terms: z + z = 2z
5 + 2z = 4

Solving
5 + 2z = 4

Solving for variable 'z'.

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

Add '-5' to each side of the equation.
5 + -5 + 2z = 4 + -5

Combine like terms: 5 + -5 = 0
0 + 2z = 4 + -5
2z = 4 + -5

Combine like terms: 4 + -5 = -1
2z = -1

Divide each side by '2'.
z = -0.5

Simplifying
z = -0.5

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