z+15=20

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Solution for z+15=20 equation:


z+15=20

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

We move all terms containing z to the left and all other terms to the right. 
+1z=+20-15

We simplify left and right side of the equation. 
+1z=+5

We divide both sides of the equation by 1 to get z. 
z=5

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