4z+15=11

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Solution for 4z+15=11 equation: 


Simplifying
4z + 15 = 11

Reorder the terms:
15 + 4z = 11

Solving
15 + 4z = 11

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + 4z = 11 + -15

Combine like terms: 15 + -15 = 0
0 + 4z = 11 + -15
4z = 11 + -15

Combine like terms: 11 + -15 = -4
4z = -4

Divide each side by '4'.
z = -1

Simplifying
z = -1

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