0.8z-4=-0.9z+1

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Solution for 0.8z-4=-0.9z+1 equation:


Simplifying
0.8z + -4 = -0.9z + 1

Reorder the terms:
-4 + 0.8z = -0.9z + 1

Reorder the terms:
-4 + 0.8z = 1 + -0.9z

Solving
-4 + 0.8z = 1 + -0.9z

Solving for variable 'z'.

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

Add '0.9z' to each side of the equation.
-4 + 0.8z + 0.9z = 1 + -0.9z + 0.9z

Combine like terms: 0.8z + 0.9z = 1.7z
-4 + 1.7z = 1 + -0.9z + 0.9z

Combine like terms: -0.9z + 0.9z = 0.0
-4 + 1.7z = 1 + 0.0
-4 + 1.7z = 1

Add '4' to each side of the equation.
-4 + 4 + 1.7z = 1 + 4

Combine like terms: -4 + 4 = 0
0 + 1.7z = 1 + 4
1.7z = 1 + 4

Combine like terms: 1 + 4 = 5
1.7z = 5

Divide each side by '1.7'.
z = 2.941176471

Simplifying
z = 2.941176471

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