4z+2z-15+z=4z-3

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Solution for 4z+2z-15+z=4z-3 equation:


Simplifying
4z + 2z + -15 + z = 4z + -3

Reorder the terms:
-15 + 4z + 2z + z = 4z + -3

Combine like terms: 4z + 2z = 6z
-15 + 6z + z = 4z + -3

Combine like terms: 6z + z = 7z
-15 + 7z = 4z + -3

Reorder the terms:
-15 + 7z = -3 + 4z

Solving
-15 + 7z = -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.
-15 + 7z + -4z = -3 + 4z + -4z

Combine like terms: 7z + -4z = 3z
-15 + 3z = -3 + 4z + -4z

Combine like terms: 4z + -4z = 0
-15 + 3z = -3 + 0
-15 + 3z = -3

Add '15' to each side of the equation.
-15 + 15 + 3z = -3 + 15

Combine like terms: -15 + 15 = 0
0 + 3z = -3 + 15
3z = -3 + 15

Combine like terms: -3 + 15 = 12
3z = 12

Divide each side by '3'.
z = 4

Simplifying
z = 4

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