0.3z+0.6(25-z)=12

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Solution for 0.3z+0.6(25-z)=12 equation: 


Simplifying
0.3z + 0.6(25 + -1z) = 12
0.3z + (25 * 0.6 + -1z * 0.6) = 12
0.3z + (15 + -0.6z) = 12

Reorder the terms:
15 + 0.3z + -0.6z = 12

Combine like terms: 0.3z + -0.6z = -0.3z
15 + -0.3z = 12

Solving
15 + -0.3z = 12

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + -0.3z = 12 + -15

Combine like terms: 15 + -15 = 0
0 + -0.3z = 12 + -15
-0.3z = 12 + -15

Combine like terms: 12 + -15 = -3
-0.3z = -3

Divide each side by '-0.3'.
z = 10

Simplifying
z = 10

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