3z+5z+4z-7=

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


Simplifying
3z + 5z + 4z + -7 = 0

Reorder the terms:
-7 + 3z + 5z + 4z = 0

Combine like terms: 3z + 5z = 8z
-7 + 8z + 4z = 0

Combine like terms: 8z + 4z = 12z
-7 + 12z = 0

Solving
-7 + 12z = 0

Solving for variable 'z'.

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

Add '7' to each side of the equation.
-7 + 7 + 12z = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 12z = 0 + 7
12z = 0 + 7

Combine like terms: 0 + 7 = 7
12z = 7

Divide each side by '12'.
z = 0.5833333333

Simplifying
z = 0.5833333333

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