0.5z-1.7=0.3z-1

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Solution for 0.5z-1.7=0.3z-1 equation: 


Simplifying
0.5z + -1.7 = 0.3z + -1

Reorder the terms:
-1.7 + 0.5z = 0.3z + -1

Reorder the terms:
-1.7 + 0.5z = -1 + 0.3z

Solving
-1.7 + 0.5z = -1 + 0.3z

Solving for variable 'z'.

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

Add '-0.3z' to each side of the equation.
-1.7 + 0.5z + -0.3z = -1 + 0.3z + -0.3z

Combine like terms: 0.5z + -0.3z = 0.2z
-1.7 + 0.2z = -1 + 0.3z + -0.3z

Combine like terms: 0.3z + -0.3z = 0.0
-1.7 + 0.2z = -1 + 0.0
-1.7 + 0.2z = -1

Add '1.7' to each side of the equation.
-1.7 + 1.7 + 0.2z = -1 + 1.7

Combine like terms: -1.7 + 1.7 = 0.0
0.0 + 0.2z = -1 + 1.7
0.2z = -1 + 1.7

Combine like terms: -1 + 1.7 = 0.7
0.2z = 0.7

Divide each side by '0.2'.
z = 3.5

Simplifying
z = 3.5

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