15-20z=20

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Solution for 15-20z=20 equation:


15-20z=20

We simplify the equation to the form, which is simple to understand 
15-20z=20

We move all terms containing z to the left and all other terms to the right. 
-20z=+20-15

We simplify left and right side of the equation. 
-20z=+5

We divide both sides of the equation by -20 to get z. 
z=-0.25

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