3.9-3.2=8.4z-7.4z+4.1

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Solution for 3.9-3.2=8.4z-7.4z+4.1 equation: 


Simplifying
3.9 + -3.2 = 8.4z + -7.4z + 4.1

Combine like terms: 3.9 + -3.2 = 0.7
0.7 = 8.4z + -7.4z + 4.1

Reorder the terms:
0.7 = 4.1 + 8.4z + -7.4z

Combine like terms: 8.4z + -7.4z = 1z
0.7 = 4.1 + 1z

Solving
0.7 = 4.1 + 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
0.7 + -1z = 4.1 + 1z + -1z

Combine like terms: 1z + -1z = 0
0.7 + -1z = 4.1 + 0
0.7 + -1z = 4.1

Add '-0.7' to each side of the equation.
0.7 + -0.7 + -1z = 4.1 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -1z = 4.1 + -0.7
-1z = 4.1 + -0.7

Combine like terms: 4.1 + -0.7 = 3.4
-1z = 3.4

Divide each side by '-1'.
z = -3.4

Simplifying
z = -3.4

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