40.2z+1=421-1.8z

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Solution for 40.2z+1=421-1.8z equation:


Simplifying
40.2z + 1 = 421 + -1.8z

Reorder the terms:
1 + 40.2z = 421 + -1.8z

Solving
1 + 40.2z = 421 + -1.8z

Solving for variable 'z'.

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

Add '1.8z' to each side of the equation.
1 + 40.2z + 1.8z = 421 + -1.8z + 1.8z

Combine like terms: 40.2z + 1.8z = 42z
1 + 42z = 421 + -1.8z + 1.8z

Combine like terms: -1.8z + 1.8z = 0.0
1 + 42z = 421 + 0.0
1 + 42z = 421

Add '-1' to each side of the equation.
1 + -1 + 42z = 421 + -1

Combine like terms: 1 + -1 = 0
0 + 42z = 421 + -1
42z = 421 + -1

Combine like terms: 421 + -1 = 420
42z = 420

Divide each side by '42'.
z = 10

Simplifying
z = 10

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