.2(2z-15)+.6z=4.25

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Solution for .2(2z-15)+.6z=4.25 equation:


Simplifying
0.2(2z + -15) + 0.6z = 4.25

Reorder the terms:
0.2(-15 + 2z) + 0.6z = 4.25
(-15 * 0.2 + 2z * 0.2) + 0.6z = 4.25
(-3 + 0.4z) + 0.6z = 4.25

Combine like terms: 0.4z + 0.6z = 1z
-3 + 1z = 4.25

Solving
-3 + 1z = 4.25

Solving for variable 'z'.

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

Add '3' to each side of the equation.
-3 + 3 + 1z = 4.25 + 3

Combine like terms: -3 + 3 = 0
0 + 1z = 4.25 + 3
1z = 4.25 + 3

Combine like terms: 4.25 + 3 = 7.25
1z = 7.25

Divide each side by '1'.
z = 7.25

Simplifying
z = 7.25

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