-80z-0.4=-90z+1.7

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Solution for -80z-0.4=-90z+1.7 equation:


Simplifying
-80z + -0.4 = -90z + 1.7

Reorder the terms:
-0.4 + -80z = -90z + 1.7

Reorder the terms:
-0.4 + -80z = 1.7 + -90z

Solving
-0.4 + -80z = 1.7 + -90z

Solving for variable 'z'.

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

Add '90z' to each side of the equation.
-0.4 + -80z + 90z = 1.7 + -90z + 90z

Combine like terms: -80z + 90z = 10z
-0.4 + 10z = 1.7 + -90z + 90z

Combine like terms: -90z + 90z = 0
-0.4 + 10z = 1.7 + 0
-0.4 + 10z = 1.7

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 10z = 1.7 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 10z = 1.7 + 0.4
10z = 1.7 + 0.4

Combine like terms: 1.7 + 0.4 = 2.1
10z = 2.1

Divide each side by '10'.
z = 0.21

Simplifying
z = 0.21

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