-7z+4.2+0.7z-3.8z-1=

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Solution for -7z+4.2+0.7z-3.8z-1= equation:


Simplifying
-7z + 4.2 + 0.7z + -3.8z + -1 = 0

Reorder the terms:
4.2 + -1 + -7z + 0.7z + -3.8z = 0

Combine like terms: 4.2 + -1 = 3.2
3.2 + -7z + 0.7z + -3.8z = 0

Combine like terms: -7z + 0.7z = -6.3z
3.2 + -6.3z + -3.8z = 0

Combine like terms: -6.3z + -3.8z = -10.1z
3.2 + -10.1z = 0

Solving
3.2 + -10.1z = 0

Solving for variable 'z'.

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

Add '-3.2' to each side of the equation.
3.2 + -3.2 + -10.1z = 0 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + -10.1z = 0 + -3.2
-10.1z = 0 + -3.2

Combine like terms: 0 + -3.2 = -3.2
-10.1z = -3.2

Divide each side by '-10.1'.
z = 0.3168316832

Simplifying
z = 0.3168316832

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