-15+10-15=4z+3

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Solution for -15+10-15=4z+3 equation:


Simplifying
-15 + 10 + -15 = 4z + 3

Combine like terms: -15 + 10 = -5
-5 + -15 = 4z + 3

Combine like terms: -5 + -15 = -20
-20 = 4z + 3

Reorder the terms:
-20 = 3 + 4z

Solving
-20 = 3 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
-20 + -4z = 3 + 4z + -4z

Combine like terms: 4z + -4z = 0
-20 + -4z = 3 + 0
-20 + -4z = 3

Add '20' to each side of the equation.
-20 + 20 + -4z = 3 + 20

Combine like terms: -20 + 20 = 0
0 + -4z = 3 + 20
-4z = 3 + 20

Combine like terms: 3 + 20 = 23
-4z = 23

Divide each side by '-4'.
z = -5.75

Simplifying
z = -5.75

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